18205125835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{969131}}^1$

素因数の和:969183

約数の個数: 24

約数和(自身を含む): 24991976016

約数和(自身を除く): 6786850181

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 18785, 969131, 4845655, 12598703, 16475227, 62993515, 82376135, 214177951, 280078859, 1070889755, 1400394295, 3641025167, 18205125835]

約数ペア:

[(1, 18205125835), (5, 3641025167), (13, 1400394295), (17, 1070889755), (65, 280078859), (85, 214177951), (221, 82376135), (289, 62993515), (1105, 16475227), (1445, 12598703), (3757, 4845655), (18785, 969131)]