19734040

素因数分解:

$2^3\times 5^1\times {\mathrm{493351}}^1$

素因数の和:493362

約数の個数: 16

約数和(自身を含む): 44401680

約数和(自身を除く): 24667640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 493351, 986702, 1973404, 2466755, 3946808, 4933510, 9867020, 19734040]

約数ペア:

[(1, 19734040), (2, 9867020), (4, 4933510), (5, 3946808), (8, 2466755), (10, 1973404), (20, 986702), (40, 493351)]