18722084

素因数分解:

$2^2\times {\mathrm{821}}^1\times {\mathrm{5701}}^1$

素因数の和:6526

約数の個数: 12

約数和(自身を含む): 32809308

約数和(自身を除く): 14087224

約数列:

[1, 2, 4, 821, 1642, 3284, 5701, 11402, 22804, 4680521, 9361042, 18722084]

約数ペア:

[(1, 18722084), (2, 9361042), (4, 4680521), (821, 22804), (1642, 11402), (3284, 5701)]