12840485

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19309}}^1$

素因数の和:19340

約数の個数: 16

約数和(自身を含む): 18537600

約数和(自身を除く): 5697115

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 19309, 96545, 135163, 366871, 675815, 1834355, 2568097, 12840485]

約数ペア:

[(1, 12840485), (5, 2568097), (7, 1834355), (19, 675815), (35, 366871), (95, 135163), (133, 96545), (665, 19309)]