18704329

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{4289}}^1$

素因数の和:4392

約数の個数: 12

約数和(自身を含む): 22007700

約数和(自身を除く): 3303371

約数列:

[1, 7, 49, 89, 623, 4289, 4361, 30023, 210161, 381721, 2672047, 18704329]

約数ペア:

[(1, 18704329), (7, 2672047), (49, 381721), (89, 210161), (623, 30023), (4289, 4361)]