19872028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{451637}}^1$

素因数の和:451652

約数の個数: 12

約数和(自身を含む): 37937592

約数和(自身を除く): 18065564

約数列:

[1, 2, 4, 11, 22, 44, 451637, 903274, 1806548, 4968007, 9936014, 19872028]

約数ペア:

[(1, 19872028), (2, 9936014), (4, 4968007), (11, 1806548), (22, 903274), (44, 451637)]