18131266

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{5393}}^1$

素因数の和:5477

約数の個数: 12

約数和(自身を含む): 27881586

約数和(自身を除く): 9750320

約数列:

[1, 2, 41, 82, 1681, 3362, 5393, 10786, 221113, 442226, 9065633, 18131266]

約数ペア:

[(1, 18131266), (2, 9065633), (41, 442226), (82, 221113), (1681, 10786), (3362, 5393)]