18791452239

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2187851}}^1$

素因数の和:2188270

約数の個数: 16

約数和(自身を含む): 28704618240

約数和(自身を除く): 9913166001

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 8589, 2187851, 6563553, 15314957, 45944871, 894831059, 2684493177, 6263817413, 18791452239]

約数ペア:

[(1, 18791452239), (3, 6263817413), (7, 2684493177), (21, 894831059), (409, 45944871), (1227, 15314957), (2863, 6563553), (8589, 2187851)]