18820404018

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{6469}}^1\times {\mathrm{12433}}^1$

素因数の和:18923

約数の個数: 48

約数和(自身を含む): 43924597080

約数和(自身を除く): 25104193062

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 6469, 12433, 12938, 19407, 24866, 37299, 38814, 58221, 74598, 84097, 111897, 116442, 161629, 168194, 223794, 252291, 323258, 484887, 504582, 756873, 969774, 1454661, 1513746, 2909322, 80429077, 160858154, 241287231, 482574462, 723861693, 1045578001, 1447723386, 2091156002, 3136734003, 6273468006, 9410202009, 18820404018]

約数ペア:

[(1, 18820404018), (2, 9410202009), (3, 6273468006), (6, 3136734003), (9, 2091156002), (13, 1447723386), (18, 1045578001), (26, 723861693), (39, 482574462), (78, 241287231), (117, 160858154), (234, 80429077), (6469, 2909322), (12433, 1513746), (12938, 1454661), (19407, 969774), (24866, 756873), (37299, 504582), (38814, 484887), (58221, 323258), (74598, 252291), (84097, 223794), (111897, 168194), (116442, 161629)]