18006121

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 21243904

約数和(自身を除く): 3237783

約数列:

[1, 7, 43, 163, 301, 367, 1141, 2569, 7009, 15781, 49063, 59821, 110467, 418747, 2572303, 18006121]

約数ペア:

[(1, 18006121), (7, 2572303), (43, 418747), (163, 110467), (301, 59821), (367, 49063), (1141, 15781), (2569, 7009)]