18289835

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 22715616

約数和(自身を除く): 4425781

約数列:

[1, 5, 43, 97, 215, 485, 877, 4171, 4385, 20855, 37711, 85069, 188555, 425345, 3657967, 18289835]

約数ペア:

[(1, 18289835), (5, 3657967), (43, 425345), (97, 188555), (215, 85069), (485, 37711), (877, 20855), (4171, 4385)]