2019295984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1151}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 4285440000

約数和(自身を除く): 2266144016

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 199, 232, 304, 398, 464, 551, 796, 1102, 1151, 1592, 2204, 2302, 3184, 3781, 4408, 4604, 5771, 7562, 8816, 9208, 11542, 15124, 18416, 21869, 23084, 30248, 33379, 43738, 46168, 60496, 66758, 87476, 92336, 109649, 133516, 174952, 219298, 229049, 267032, 349904, 438596, 458098, 534064, 634201, 877192, 916196, 1268402, 1754384, 1832392, 2536804, 3664784, 4351931, 5073608, 6642421, 8703862, 10147216, 13284842, 17407724, 26569684, 34815448, 53139368, 69630896, 106278736, 126205999, 252411998, 504823996, 1009647992, 2019295984]

約数ペア:

[(1, 2019295984), (2, 1009647992), (4, 504823996), (8, 252411998), (16, 126205999), (19, 106278736), (29, 69630896), (38, 53139368), (58, 34815448), (76, 26569684), (116, 17407724), (152, 13284842), (199, 10147216), (232, 8703862), (304, 6642421), (398, 5073608), (464, 4351931), (551, 3664784), (796, 2536804), (1102, 1832392), (1151, 1754384), (1592, 1268402), (2204, 916196), (2302, 877192), (3184, 634201), (3781, 534064), (4408, 458098), (4604, 438596), (5771, 349904), (7562, 267032), (8816, 229049), (9208, 219298), (11542, 174952), (15124, 133516), (18416, 109649), (21869, 92336), (23084, 87476), (30248, 66758), (33379, 60496), (43738, 46168)]