201913437

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 328525632

約数和(自身を除く): 126612195

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 361, 561, 627, 969, 997, 1083, 2991, 3553, 3971, 6137, 10659, 10967, 11913, 16949, 18411, 18943, 32901, 50847, 56829, 67507, 186439, 202521, 208373, 322031, 359917, 559317, 625119, 966093, 1079751, 3542341, 3959087, 6118589, 10627023, 11877261, 18355767, 67304479, 201913437]

約数ペア:

[(1, 201913437), (3, 67304479), (11, 18355767), (17, 11877261), (19, 10627023), (33, 6118589), (51, 3959087), (57, 3542341), (187, 1079751), (209, 966093), (323, 625119), (361, 559317), (561, 359917), (627, 322031), (969, 208373), (997, 202521), (1083, 186439), (2991, 67507), (3553, 56829), (3971, 50847), (6137, 32901), (10659, 18943), (10967, 18411), (11913, 16949)]