19956265

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5231}}^1$

素因数の和:5352

約数の個数: 16

約数和(自身を含む): 27624960

約数和(自身を除く): 7668695

約数列:

[1, 5, 7, 35, 109, 545, 763, 3815, 5231, 26155, 36617, 183085, 570179, 2850895, 3991253, 19956265]

約数ペア:

[(1, 19956265), (5, 3991253), (7, 2850895), (35, 570179), (109, 183085), (545, 36617), (763, 26155), (3815, 5231)]