19,188

2² × 3² × 13 × 41

Prime Factor Structure

Factorization String 2^2 × 3^2 × 13 × 41

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 53,508

Proper Divisor Sum 34,320

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #19183 ← → #19207

1 2 3 4 6 9 12 13 18 26 36 39 41 52 78 82 117 123 156 164 234 246 369 468 492 533 738 1,066 1,476 1,599 2,132 3,198 4,797 6,396 9,594 19,188

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

19,188 9,594 4,797 14,392 7,196 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22

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