19664255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1069}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 25525920

約数和(自身を除く): 5861665

約数列:

[1, 5, 13, 65, 283, 1069, 1415, 3679, 5345, 13897, 18395, 69485, 302527, 1512635, 3932851, 19664255]

約数ペア:

[(1, 19664255), (5, 3932851), (13, 1512635), (65, 302527), (283, 69485), (1069, 18395), (1415, 13897), (3679, 5345)]