19584620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89021}}^1$

素因数の和:89041

約数の個数: 24

約数和(自身を含む): 44867088

約数和(自身を除く): 25282468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89021, 178042, 356084, 445105, 890210, 979231, 1780420, 1958462, 3916924, 4896155, 9792310, 19584620]

約数ペア:

[(1, 19584620), (2, 9792310), (4, 4896155), (5, 3916924), (10, 1958462), (11, 1780420), (20, 979231), (22, 890210), (44, 445105), (55, 356084), (110, 178042), (220, 89021)]