18640084

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{11621}}^1$

素因数の和:12026

約数の個数: 12

約数和(自身を含む): 32704308

約数和(自身を除く): 14064224

約数列:

[1, 2, 4, 401, 802, 1604, 11621, 23242, 46484, 4660021, 9320042, 18640084]

約数ペア:

[(1, 18640084), (2, 9320042), (4, 4660021), (401, 46484), (802, 23242), (1604, 11621)]