2018959684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{27701}}^1$

素因数の和:27868

約数の個数: 48

約数和(自身を含む): 4281621120

約数和(自身を除く): 2262661436

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 137, 266, 274, 532, 548, 959, 1918, 2603, 3836, 5206, 10412, 18221, 27701, 36442, 55402, 72884, 110804, 193907, 387814, 526319, 775628, 1052638, 2105276, 3684233, 3795037, 7368466, 7590074, 14736932, 15180148, 26565259, 53130518, 72105703, 106261036, 144211406, 288422812, 504739921, 1009479842, 2018959684]

約数ペア:

[(1, 2018959684), (2, 1009479842), (4, 504739921), (7, 288422812), (14, 144211406), (19, 106261036), (28, 72105703), (38, 53130518), (76, 26565259), (133, 15180148), (137, 14736932), (266, 7590074), (274, 7368466), (532, 3795037), (548, 3684233), (959, 2105276), (1918, 1052638), (2603, 775628), (3836, 526319), (5206, 387814), (10412, 193907), (18221, 110804), (27701, 72884), (36442, 55402)]