18691595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2099}}^1$

素因数の和:2254

約数の個数: 16

約数和(自身を含む): 24343200

約数和(自身を除く): 5651605

約数列:

[1, 5, 13, 65, 137, 685, 1781, 2099, 8905, 10495, 27287, 136435, 287563, 1437815, 3738319, 18691595]

約数ペア:

[(1, 18691595), (5, 3738319), (13, 1437815), (65, 287563), (137, 136435), (685, 27287), (1781, 10495), (2099, 8905)]