18975125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{11677}}^1$

素因数の和:11705

約数の個数: 16

約数和(自身を含む): 25504752

約数和(自身を除く): 6529627

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 11677, 58385, 151801, 291925, 759005, 1459625, 3795025, 18975125]

約数ペア:

[(1, 18975125), (5, 3795025), (13, 1459625), (25, 759005), (65, 291925), (125, 151801), (325, 58385), (1625, 11677)]