18943564

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{457}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 34137488

約数和(自身を除く): 15193924

約数列:

[1, 2, 4, 43, 86, 172, 241, 457, 482, 914, 964, 1828, 10363, 19651, 20726, 39302, 41452, 78604, 110137, 220274, 440548, 4735891, 9471782, 18943564]

約数ペア:

[(1, 18943564), (2, 9471782), (4, 4735891), (43, 440548), (86, 220274), (172, 110137), (241, 78604), (457, 41452), (482, 39302), (914, 20726), (964, 19651), (1828, 10363)]