18172791

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22189}}^1$

素因数の和:22215

約数の個数: 24

約数和(自身を含む): 32308640

約数和(自身を除く): 14135849

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 22189, 66567, 155323, 199701, 288457, 465969, 865371, 1397907, 2019199, 2596113, 6057597, 18172791]

約数ペア:

[(1, 18172791), (3, 6057597), (7, 2596113), (9, 2019199), (13, 1397907), (21, 865371), (39, 465969), (63, 288457), (91, 199701), (117, 155323), (273, 66567), (819, 22189)]