18081950

素因数分解:

$2^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{859}}^1$

素因数の和:1292

約数の個数: 24

約数和(自身を含む): 33751560

約数和(自身を除く): 15669610

約数列:

[1, 2, 5, 10, 25, 50, 421, 842, 859, 1718, 2105, 4210, 4295, 8590, 10525, 21050, 21475, 42950, 361639, 723278, 1808195, 3616390, 9040975, 18081950]

約数ペア:

[(1, 18081950), (2, 9040975), (5, 3616390), (10, 1808195), (25, 723278), (50, 361639), (421, 42950), (842, 21475), (859, 21050), (1718, 10525), (2105, 8590), (4210, 4295)]