18582221

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{4261}}^1$

素因数の和:4364

約数の個数: 12

約数和(自身を含む): 21864060

約数和(自身を除く): 3281839

約数列:

[1, 7, 49, 89, 623, 4261, 4361, 29827, 208789, 379229, 2654603, 18582221]

約数ペア:

[(1, 18582221), (7, 2654603), (49, 379229), (89, 208789), (623, 29827), (4261, 4361)]