18820806

素因数分解:

$2^1\times 3^1\times {\mathrm{263}}^1\times {\mathrm{11927}}^1$

素因数の和:12195

約数の個数: 16

約数和(自身を含む): 37787904

約数和(自身を除く): 18967098

約数列:

[1, 2, 3, 6, 263, 526, 789, 1578, 11927, 23854, 35781, 71562, 3136801, 6273602, 9410403, 18820806]

約数ペア:

[(1, 18820806), (2, 9410403), (3, 6273602), (6, 3136801), (263, 71562), (526, 35781), (789, 23854), (1578, 11927)]