19717295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1861}}^1$

素因数の和:2042

約数の個数: 16

約数和(自身を含む): 25650912

約数和(自身を除く): 5933617

約数列:

[1, 5, 13, 65, 163, 815, 1861, 2119, 9305, 10595, 24193, 120965, 303343, 1516715, 3943459, 19717295]

約数ペア:

[(1, 19717295), (5, 3943459), (13, 1516715), (65, 303343), (163, 120965), (815, 24193), (1861, 10595), (2119, 9305)]