19663441

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 23912064

約数和(自身を除く): 4248623

約数列:

[1, 7, 17, 119, 373, 443, 2611, 3101, 6341, 7531, 44387, 52717, 165239, 1156673, 2809063, 19663441]

約数ペア:

[(1, 19663441), (7, 2809063), (17, 1156673), (119, 165239), (373, 52717), (443, 44387), (2611, 7531), (3101, 6341)]