2019940221

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1789}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 3113225280

約数和(自身を除く): 1093285059

約数列:

[1, 3, 13, 17, 39, 51, 131, 169, 221, 393, 507, 663, 1703, 1789, 2227, 2873, 5109, 5367, 6681, 8619, 22139, 23257, 28951, 30413, 66417, 69771, 86853, 91239, 234359, 302341, 376363, 395369, 703077, 907023, 1129089, 1186107, 3046667, 3984103, 5139797, 9140001, 11952309, 15419391, 39606671, 51793339, 118820013, 155380017, 673313407, 2019940221]

約数ペア:

[(1, 2019940221), (3, 673313407), (13, 155380017), (17, 118820013), (39, 51793339), (51, 39606671), (131, 15419391), (169, 11952309), (221, 9140001), (393, 5139797), (507, 3984103), (663, 3046667), (1703, 1186107), (1789, 1129089), (2227, 907023), (2873, 703077), (5109, 395369), (5367, 376363), (6681, 302341), (8619, 234359), (22139, 91239), (23257, 86853), (28951, 69771), (30413, 66417)]