19573972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{444863}}^1$

素因数の和:444878

約数の個数: 12

約数和(自身を含む): 37368576

約数和(自身を除く): 17794604

約数列:

[1, 2, 4, 11, 22, 44, 444863, 889726, 1779452, 4893493, 9786986, 19573972]

約数ペア:

[(1, 19573972), (2, 9786986), (4, 4893493), (11, 1779452), (22, 889726), (44, 444863)]