18621295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4397}}^1$

素因数の和:4431

約数の個数: 24

約数和(自身を含む): 28076832

約数和(自身を除く): 9455537

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 4397, 21985, 30779, 48367, 153895, 241835, 338569, 532037, 1692845, 2660185, 3724259, 18621295]

約数ペア:

[(1, 18621295), (5, 3724259), (7, 2660185), (11, 1692845), (35, 532037), (55, 338569), (77, 241835), (121, 153895), (385, 48367), (605, 30779), (847, 21985), (4235, 4397)]