19982118868

素因数分解:

$2^2\times {\mathrm{1231}}^1\times {\mathrm{4058107}}^1$

素因数の和:4059342

約数の個数: 12

約数和(自身を含む): 34997123392

約数和(自身を除く): 15015004524

約数列:

[1, 2, 4, 1231, 2462, 4924, 4058107, 8116214, 16232428, 4995529717, 9991059434, 19982118868]

約数ペア:

[(1, 19982118868), (2, 9991059434), (4, 4995529717), (1231, 16232428), (2462, 8116214), (4924, 4058107)]