2019333880

素因数分解:

$2^3\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{27127}}^1$

素因数の和:28999

約数の個数: 32

約数和(自身を含む): 4546110240

約数和(自身を除く): 2526776360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1861, 3722, 7444, 9305, 14888, 18610, 27127, 37220, 54254, 74440, 108508, 135635, 217016, 271270, 542540, 1085080, 50483347, 100966694, 201933388, 252416735, 403866776, 504833470, 1009666940, 2019333880]

約数ペア:

[(1, 2019333880), (2, 1009666940), (4, 504833470), (5, 403866776), (8, 252416735), (10, 201933388), (20, 100966694), (40, 50483347), (1861, 1085080), (3722, 542540), (7444, 271270), (9305, 217016), (14888, 135635), (18610, 108508), (27127, 74440), (37220, 54254)]