18759910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144307}}^1$

素因数の和:144327

約数の個数: 16

約数和(自身を含む): 36365616

約数和(自身を除く): 17605706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 144307, 288614, 721535, 1443070, 1875991, 3751982, 9379955, 18759910]

約数ペア:

[(1, 18759910), (2, 9379955), (5, 3751982), (10, 1875991), (13, 1443070), (26, 721535), (65, 288614), (130, 144307)]