18517304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{677}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 37588320

約数和(自身を除く): 19071016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 677, 1052, 1354, 2104, 2708, 3419, 5416, 6838, 8801, 13676, 17602, 27352, 35204, 70408, 178051, 356102, 712204, 1424408, 2314663, 4629326, 9258652, 18517304]

約数ペア:

[(1, 18517304), (2, 9258652), (4, 4629326), (8, 2314663), (13, 1424408), (26, 712204), (52, 356102), (104, 178051), (263, 70408), (526, 35204), (677, 27352), (1052, 17602), (1354, 13676), (2104, 8801), (2708, 6838), (3419, 5416)]