18183820

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3457}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 38342304

約数和(自身を除く): 20158484

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 3457, 5260, 6914, 13828, 17285, 34570, 69140, 909191, 1818382, 3636764, 4545955, 9091910, 18183820]

約数ペア:

[(1, 18183820), (2, 9091910), (4, 4545955), (5, 3636764), (10, 1818382), (20, 909191), (263, 69140), (526, 34570), (1052, 17285), (1315, 13828), (2630, 6914), (3457, 5260)]