19907335

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8011}}^1$

素因数の和:8094

約数の個数: 16

約数和(自身を含む): 27689472

約数和(自身を除く): 7782137

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8011, 40055, 56077, 280385, 568781, 2843905, 3981467, 19907335]

約数ペア:

[(1, 19907335), (5, 3981467), (7, 2843905), (35, 568781), (71, 280385), (355, 56077), (497, 40055), (2485, 8011)]