18549260

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2203}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 39063696

約数和(自身を除く): 20514436

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2203, 4210, 4406, 8420, 8812, 11015, 22030, 44060, 927463, 1854926, 3709852, 4637315, 9274630, 18549260]

約数ペア:

[(1, 18549260), (2, 9274630), (4, 4637315), (5, 3709852), (10, 1854926), (20, 927463), (421, 44060), (842, 22030), (1684, 11015), (2105, 8812), (2203, 8420), (4210, 4406)]