2019938765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1002451}}^1$

素因数の和:1002500

約数の個数: 16

約数和(自身を含む): 2694590976

約数和(自身を除く): 674652211

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 1002451, 5012255, 13031863, 31075981, 65159315, 155379905, 403987753, 2019938765]

約数ペア:

[(1, 2019938765), (5, 403987753), (13, 155379905), (31, 65159315), (65, 31075981), (155, 13031863), (403, 5012255), (2015, 1002451)]