17926180

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2129}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 37752120

約数和(自身を除く): 19825940

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2129, 4210, 4258, 8420, 8516, 10645, 21290, 42580, 896309, 1792618, 3585236, 4481545, 8963090, 17926180]

約数ペア:

[(1, 17926180), (2, 8963090), (4, 4481545), (5, 3585236), (10, 1792618), (20, 896309), (421, 42580), (842, 21290), (1684, 10645), (2105, 8516), (2129, 8420), (4210, 4258)]