18608425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 25391232

約数和(自身を除く): 6782807

約数列:

[1, 5, 11, 25, 55, 157, 275, 431, 785, 1727, 2155, 3925, 4741, 8635, 10775, 23705, 43175, 67667, 118525, 338335, 744337, 1691675, 3721685, 18608425]

約数ペア:

[(1, 18608425), (5, 3721685), (11, 1691675), (25, 744337), (55, 338335), (157, 118525), (275, 67667), (431, 43175), (785, 23705), (1727, 10775), (2155, 8635), (3925, 4741)]