17993540

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2137}}^1$

素因数の和:2567

約数の個数: 24

約数和(自身を含む): 37893912

約数和(自身を除く): 19900372

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2137, 4210, 4274, 8420, 8548, 10685, 21370, 42740, 899677, 1799354, 3598708, 4498385, 8996770, 17993540]

約数ペア:

[(1, 17993540), (2, 8996770), (4, 4498385), (5, 3598708), (10, 1799354), (20, 899677), (421, 42740), (842, 21370), (1684, 10685), (2105, 8548), (2137, 8420), (4210, 4274)]