18012475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2917}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 25328240

約数和(自身を除く): 7315765

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 2917, 6175, 14585, 37921, 55423, 72925, 189605, 277115, 720499, 948025, 1385575, 3602495, 18012475]

約数ペア:

[(1, 18012475), (5, 3602495), (13, 1385575), (19, 948025), (25, 720499), (65, 277115), (95, 189605), (247, 72925), (325, 55423), (475, 37921), (1235, 14585), (2917, 6175)]