18904401217

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{5031781}}^1$

素因数の和:5031828

約数の個数: 12

約数和(自身を含む): 21626599036

約数和(自身を除く): 2722197819

約数列:

[1, 13, 17, 221, 289, 3757, 5031781, 65413153, 85540277, 1112023601, 1454184709, 18904401217]

約数ペア:

[(1, 18904401217), (13, 1454184709), (17, 1112023601), (221, 85540277), (289, 65413153), (3757, 5031781)]