2019978194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{199721}}^1$

素因数の和:200125

約数の個数: 16

約数和(自身を含む): 3271446360

約数和(自身を除く): 1251468166

約数列:

[1, 2, 13, 26, 389, 778, 5057, 10114, 199721, 399442, 2596373, 5192746, 77691469, 155382938, 1009989097, 2019978194]

約数ペア:

[(1, 2019978194), (2, 1009989097), (13, 155382938), (26, 77691469), (389, 5192746), (778, 2596373), (5057, 399442), (10114, 199721)]