18125920

素因数分解:

$2^5\times 5^1\times {\mathrm{113287}}^1$

素因数の和:113302

約数の個数: 24

約数和(自身を含む): 42822864

約数和(自身を除く): 24696944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113287, 226574, 453148, 566435, 906296, 1132870, 1812592, 2265740, 3625184, 4531480, 9062960, 18125920]

約数ペア:

[(1, 18125920), (2, 9062960), (4, 4531480), (5, 3625184), (8, 2265740), (10, 1812592), (16, 1132870), (20, 906296), (32, 566435), (40, 453148), (80, 226574), (160, 113287)]