16819957

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3581}}^1$

素因数の和:3660

約数の個数: 16

約数和(自身を含む): 21320064

約数和(自身を除く): 4500107

約数列:

[1, 7, 11, 61, 77, 427, 671, 3581, 4697, 25067, 39391, 218441, 275737, 1529087, 2402851, 16819957]

約数ペア:

[(1, 16819957), (7, 2402851), (11, 1529087), (61, 275737), (77, 218441), (427, 39391), (671, 25067), (3581, 4697)]