18186889

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{3119}}^1$

素因数の和:3157

約数の個数: 16

約数和(自身を含む): 22464000

約数和(自身を除く): 4277111

約数列:

[1, 7, 17, 49, 119, 343, 833, 3119, 5831, 21833, 53023, 152831, 371161, 1069817, 2598127, 18186889]

約数ペア:

[(1, 18186889), (7, 2598127), (17, 1069817), (49, 371161), (119, 152831), (343, 53023), (833, 21833), (3119, 5831)]