19698625

素因数分解:

$5^3\times {\mathrm{59}}^1\times {\mathrm{2671}}^1$

素因数の和:2745

約数の個数: 16

約数和(自身を含む): 25009920

約数和(自身を除く): 5311295

約数列:

[1, 5, 25, 59, 125, 295, 1475, 2671, 7375, 13355, 66775, 157589, 333875, 787945, 3939725, 19698625]

約数ペア:

[(1, 19698625), (5, 3939725), (25, 787945), (59, 333875), (125, 157589), (295, 66775), (1475, 13355), (2671, 7375)]