19972726

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3271}}^1$

素因数の和:3387

約数の個数: 16

約数和(自身を含む): 31097088

約数和(自身を除く): 11124362

約数列:

[1, 2, 43, 71, 86, 142, 3053, 3271, 6106, 6542, 140653, 232241, 281306, 464482, 9986363, 19972726]

約数ペア:

[(1, 19972726), (2, 9986363), (43, 464482), (71, 281306), (86, 232241), (142, 140653), (3053, 6542), (3271, 6106)]