18217489

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 20139840

約数和(自身を除く): 1922351

約数列:

[1, 17, 41, 59, 443, 697, 1003, 2419, 7531, 18163, 26137, 41123, 308771, 444329, 1071617, 18217489]

約数ペア:

[(1, 18217489), (17, 1071617), (41, 444329), (59, 308771), (443, 41123), (697, 26137), (1003, 18163), (2419, 7531)]