18,425,410

2 × 5 × 47 × 197 × 199

18,425,410 factors as 2 × 5 × 47 × 197 × 199. Its 32 positive divisors give a proper-divisor sum of 15,788,990, so this integer is deficient. The Collatz stopping time is 107 steps.

Prime Factor Structure

Factorization String 2 × 5 × 47 × 197 × 199

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 34,214,400

Proper Divisor Sum 15,788,990

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #18425401 ← → #18425413

Radix Representation

Decimal	18425410
Binary	1000110010010011001000010 (25 bits)
Octal	0o106223102
Hexadecimal	0x1192642

Divisor Catalog (32)

Collatz Trajectory (107 steps to reach 1)

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

18,425,410 9,212,705 27,638,116 13,819,058 6,909,529 20,728,588 10,364,294 5,182,147 15,546,442 7,773,221 23,319,664 11,659,832 5,829,916 2,914,958 1,457,479 4,372,438 2,186,219 6,558,658 3,279,329 9,837,988 4,918,994 2,459,497 7,378,492 3,689,246 1,844,623 5,533,870 2,766,935 8,300,806 4,150,403 12,451,210 6,225,605 18,676,816 9,338,408 4,669,204 2,334,602 1,167,301 3,501,904 1,750,952 875,476 437,738 218,869 656,608 328,304 164,152 82,076 41,038 20,519 61,558 30,779 92,338 46,169 138,508 69,254 34,627 103,882 51,941 155,824 77,912 38,956 19,478

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