18688085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2687}}^1$

素因数の和:2812

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 5697451

約数列:

[1, 5, 13, 65, 107, 535, 1391, 2687, 6955, 13435, 34931, 174655, 287509, 1437545, 3737617, 18688085]

約数ペア:

[(1, 18688085), (5, 3737617), (13, 1437545), (65, 287509), (107, 174655), (535, 34931), (1391, 13435), (2687, 6955)]