18312399

素因数分解:

$3^4\times 7^1\times {\mathrm{32297}}^1$

素因数の和:32316

約数の個数: 20

約数和(自身を含む): 31264464

約数和(自身を除く): 12952065

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 32297, 96891, 226079, 290673, 678237, 872019, 2034711, 2616057, 6104133, 18312399]

約数ペア:

[(1, 18312399), (3, 6104133), (7, 2616057), (9, 2034711), (21, 872019), (27, 678237), (63, 290673), (81, 226079), (189, 96891), (567, 32297)]