2019969955

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1\times {\mathrm{1499}}^1$

素因数の和:3174

約数の個数: 16

約数和(自身を含む): 2440620000

約数和(自身を除く): 420650045

約数列:

[1, 5, 181, 905, 1489, 1499, 7445, 7495, 269509, 271319, 1347545, 1356595, 2232011, 11160055, 403993991, 2019969955]

約数ペア:

[(1, 2019969955), (5, 403993991), (181, 11160055), (905, 2232011), (1489, 1356595), (1499, 1347545), (7445, 271319), (7495, 269509)]