18660265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2683}}^1$

素因数の和:2808

約数の個数: 16

約数和(自身を含む): 24349248

約数和(自身を除く): 5688983

約数列:

[1, 5, 13, 65, 107, 535, 1391, 2683, 6955, 13415, 34879, 174395, 287081, 1435405, 3732053, 18660265]

約数ペア:

[(1, 18660265), (5, 3732053), (13, 1435405), (65, 287081), (107, 174395), (535, 34879), (1391, 13415), (2683, 6955)]