16039990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84421}}^1$

素因数の和:84447

約数の個数: 16

約数和(自身を含む): 30391920

約数和(自身を除く): 14351930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 84421, 168842, 422105, 844210, 1603999, 3207998, 8019995, 16039990]

約数ペア:

[(1, 16039990), (2, 8019995), (5, 3207998), (10, 1603999), (19, 844210), (38, 422105), (95, 168842), (190, 84421)]