19875944

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20533}}^1$

素因数の和:20561

約数の個数: 24

約数和(自身を含む): 40965330

約数和(自身を除く): 21089386

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20533, 41066, 82132, 164264, 225863, 451726, 903452, 1806904, 2484493, 4968986, 9937972, 19875944]

約数ペア:

[(1, 19875944), (2, 9937972), (4, 4968986), (8, 2484493), (11, 1806904), (22, 903452), (44, 451726), (88, 225863), (121, 164264), (242, 82132), (484, 41066), (968, 20533)]