18026631

素因数分解:

$3^4\times 7^1\times {\mathrm{31793}}^1$

素因数の和:31812

約数の個数: 20

約数和(自身を含む): 30776592

約数和(自身を除く): 12749961

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 31793, 95379, 222551, 286137, 667653, 858411, 2002959, 2575233, 6008877, 18026631]

約数ペア:

[(1, 18026631), (3, 6008877), (7, 2575233), (9, 2002959), (21, 858411), (27, 667653), (63, 286137), (81, 222551), (189, 95379), (567, 31793)]