19379404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{440441}}^1$

素因数の和:440456

約数の個数: 12

約数和(自身を含む): 36997128

約数和(自身を除く): 17617724

約数列:

[1, 2, 4, 11, 22, 44, 440441, 880882, 1761764, 4844851, 9689702, 19379404]

約数ペア:

[(1, 19379404), (2, 9689702), (4, 4844851), (11, 1761764), (22, 880882), (44, 440441)]