18,627,418

2 × 71 × 233 × 563

18,627,418 factors as 2 × 71 × 233 × 563. Its 16 positive divisors give a proper-divisor sum of 9,879,398, so this integer is deficient. The Collatz stopping time is 89 steps.

Prime Factor Structure

Factorization String 2 × 71 × 233 × 563

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 28,506,816

Proper Divisor Sum 9,879,398

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #18627409 ← → #18627437

Radix Representation

Decimal	18627418
Binary	1000111000011101101011010 (25 bits)
Octal	0o107035532
Hexadecimal	0x11C3B5A

Divisor Catalog (16)

1 2 71 142 233 466 563 1,126 16,543 33,086 39,973 79,946 131,179 262,358 9,313,709 18,627,418

Collatz Trajectory (89 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

18,627,418 9,313,709 27,941,128 13,970,564 6,985,282 3,492,641 10,477,924 5,238,962 2,619,481 7,858,444 3,929,222 1,964,611 5,893,834 2,946,917 8,840,752 4,420,376 2,210,188 1,105,094 552,547 1,657,642 828,821 2,486,464 1,243,232 621,616 310,808 155,404 77,702 38,851 116,554 58,277 174,832 87,416 43,708 21,854 10,927 32,782 16,391 49,174 24,587 73,762 36,881 110,644 55,322 27,661 82,984 41,492 20,746 10,373 31,120 15,560 7,780 3,890 1,945 5,836 2,918 1,459 4,378 2,189 6,568 3,284

More profiles

Browse other published profiles and their separate link collections.

Profile #8,342,168 Profile #1,146,956 Profile #9,712,347 Profile #6,573,969 Profile #965,653 Profile #4,620,983 Profile #853,259 Profile #1,288,150

← Previous Integer #18,627,417 Browse Full Index Next Integer #18,627,419 →