18810925

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6323}}^1$

素因数の和:6357

約数の個数: 24

約数和(自身を含む): 28230336

約数和(自身を除く): 9419411

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6323, 31615, 44261, 107491, 158075, 221305, 537455, 752437, 1106525, 2687275, 3762185, 18810925]

約数ペア:

[(1, 18810925), (5, 3762185), (7, 2687275), (17, 1106525), (25, 752437), (35, 537455), (85, 221305), (119, 158075), (175, 107491), (425, 44261), (595, 31615), (2975, 6323)]