18431660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70891}}^1$

素因数の和:70913

約数の個数: 24

約数和(自身を含む): 41684496

約数和(自身を除く): 23252836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70891, 141782, 283564, 354455, 708910, 921583, 1417820, 1843166, 3686332, 4607915, 9215830, 18431660]

約数ペア:

[(1, 18431660), (2, 9215830), (4, 4607915), (5, 3686332), (10, 1843166), (13, 1417820), (20, 921583), (26, 708910), (52, 354455), (65, 283564), (130, 141782), (260, 70891)]