18671668

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 33372360

約数和(自身を除く): 14700692

約数列:

[1, 2, 4, 101, 113, 202, 226, 404, 409, 452, 818, 1636, 11413, 22826, 41309, 45652, 46217, 82618, 92434, 165236, 184868, 4667917, 9335834, 18671668]

約数ペア:

[(1, 18671668), (2, 9335834), (4, 4667917), (101, 184868), (113, 165236), (202, 92434), (226, 82618), (404, 46217), (409, 45652), (452, 41309), (818, 22826), (1636, 11413)]