19759868

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 35943264

約数和(自身を除く): 16183396

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 1697, 2911, 3394, 5822, 6788, 11644, 69577, 120487, 139154, 240974, 278308, 481948, 4939967, 9879934, 19759868]

約数ペア:

[(1, 19759868), (2, 9879934), (4, 4939967), (41, 481948), (71, 278308), (82, 240974), (142, 139154), (164, 120487), (284, 69577), (1697, 11644), (2911, 6788), (3394, 5822)]