18506620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84121}}^1$

素因数の和:84141

約数の個数: 24

約数和(自身を含む): 42397488

約数和(自身を除く): 23890868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84121, 168242, 336484, 420605, 841210, 925331, 1682420, 1850662, 3701324, 4626655, 9253310, 18506620]

約数ペア:

[(1, 18506620), (2, 9253310), (4, 4626655), (5, 3701324), (10, 1850662), (11, 1682420), (20, 925331), (22, 841210), (44, 420605), (55, 336484), (110, 168242), (220, 84121)]