19388644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{440651}}^1$

素因数の和:440666

約数の個数: 12

約数和(自身を含む): 37014768

約数和(自身を除く): 17626124

約数列:

[1, 2, 4, 11, 22, 44, 440651, 881302, 1762604, 4847161, 9694322, 19388644]

約数ペア:

[(1, 19388644), (2, 9694322), (4, 4847161), (11, 1762604), (22, 881302), (44, 440651)]