18084625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 7075055

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 359, 403, 775, 1625, 1795, 2015, 3875, 4667, 8975, 10075, 11129, 23335, 44875, 50375, 55645, 116675, 144677, 278225, 583375, 723385, 1391125, 3616925, 18084625]

約数ペア:

[(1, 18084625), (5, 3616925), (13, 1391125), (25, 723385), (31, 583375), (65, 278225), (125, 144677), (155, 116675), (325, 55645), (359, 50375), (403, 44875), (775, 23335), (1625, 11129), (1795, 10075), (2015, 8975), (3875, 4667)]