2019910385

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{31387}}^1$

素因数の和:31664

約数の個数: 16

約数和(自身を含む): 2475383232

約数和(自身を除く): 455472847

約数列:

[1, 5, 61, 211, 305, 1055, 12871, 31387, 64355, 156935, 1914607, 6622657, 9573035, 33113285, 403982077, 2019910385]

約数ペア:

[(1, 2019910385), (5, 403982077), (61, 33113285), (211, 9573035), (305, 6622657), (1055, 1914607), (12871, 156935), (31387, 64355)]