2019966380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5315701}}^1$

素因数の和:5315729

約数の個数: 24

約数和(自身を含む): 4465189680

約数和(自身を除く): 2445223300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5315701, 10631402, 21262804, 26578505, 53157010, 100998319, 106314020, 201996638, 403993276, 504991595, 1009983190, 2019966380]

約数ペア:

[(1, 2019966380), (2, 1009983190), (4, 504991595), (5, 403993276), (10, 201996638), (19, 106314020), (20, 100998319), (38, 53157010), (76, 26578505), (95, 21262804), (190, 10631402), (380, 5315701)]