18530620

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{6763}}^1$

素因数の和:6909

約数の個数: 24

約数和(自身を含む): 39204144

約数和(自身を除く): 20673524

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 6763, 13526, 27052, 33815, 67630, 135260, 926531, 1853062, 3706124, 4632655, 9265310, 18530620]

約数ペア:

[(1, 18530620), (2, 9265310), (4, 4632655), (5, 3706124), (10, 1853062), (20, 926531), (137, 135260), (274, 67630), (548, 33815), (685, 27052), (1370, 13526), (2740, 6763)]