19553885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1063}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 25382784

約数和(自身を除く): 5828899

約数列:

[1, 5, 13, 65, 283, 1063, 1415, 3679, 5315, 13819, 18395, 69095, 300829, 1504145, 3910777, 19553885]

約数ペア:

[(1, 19553885), (5, 3910777), (13, 1504145), (65, 300829), (283, 69095), (1063, 18395), (1415, 13819), (3679, 5315)]