18051475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 24494960

約数和(自身を除く): 6443485

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 829, 871, 1675, 4145, 4355, 10777, 20725, 21775, 53885, 55543, 269425, 277715, 722059, 1388575, 3610295, 18051475]

約数ペア:

[(1, 18051475), (5, 3610295), (13, 1388575), (25, 722059), (65, 277715), (67, 269425), (325, 55543), (335, 53885), (829, 21775), (871, 20725), (1675, 10777), (4145, 4355)]