18528260

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2749}}^1$

素因数の和:3095

約数の個数: 24

約数和(自身を含む): 39039000

約数和(自身を除く): 20510740

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 2749, 3370, 5498, 6740, 10996, 13745, 27490, 54980, 926413, 1852826, 3705652, 4632065, 9264130, 18528260]

約数ペア:

[(1, 18528260), (2, 9264130), (4, 4632065), (5, 3705652), (10, 1852826), (20, 926413), (337, 54980), (674, 27490), (1348, 13745), (1685, 10996), (2749, 6740), (3370, 5498)]