19722095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{3917}}^1$

素因数の和:3994

約数の個数: 16

約数和(自身を含む): 25388640

約数和(自身を除く): 5666545

約数列:

[1, 5, 19, 53, 95, 265, 1007, 3917, 5035, 19585, 74423, 207601, 372115, 1038005, 3944419, 19722095]

約数ペア:

[(1, 19722095), (5, 3944419), (19, 1038005), (53, 372115), (95, 207601), (265, 74423), (1007, 19585), (3917, 5035)]