19943836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{453269}}^1$

素因数の和:453284

約数の個数: 12

約数和(自身を含む): 38074680

約数和(自身を除く): 18130844

約数列:

[1, 2, 4, 11, 22, 44, 453269, 906538, 1813076, 4985959, 9971918, 19943836]

約数ペア:

[(1, 19943836), (2, 9971918), (4, 4985959), (11, 1813076), (22, 906538), (44, 453269)]