18996847996

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{570613}}^1$

素因数の和:570694

約数の個数: 48

約数和(自身を含む): 40262523840

約数和(自身を除く): 21265675844

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 58, 82, 116, 164, 203, 287, 406, 574, 812, 1148, 1189, 2378, 4756, 8323, 16646, 33292, 570613, 1141226, 2282452, 3994291, 7988582, 15977164, 16547777, 23395133, 33095554, 46790266, 66191108, 93580532, 115834439, 163765931, 231668878, 327531862, 463337756, 655063724, 678458857, 1356917714, 2713835428, 4749211999, 9498423998, 18996847996]

約数ペア:

[(1, 18996847996), (2, 9498423998), (4, 4749211999), (7, 2713835428), (14, 1356917714), (28, 678458857), (29, 655063724), (41, 463337756), (58, 327531862), (82, 231668878), (116, 163765931), (164, 115834439), (203, 93580532), (287, 66191108), (406, 46790266), (574, 33095554), (812, 23395133), (1148, 16547777), (1189, 15977164), (2378, 7988582), (4756, 3994291), (8323, 2282452), (16646, 1141226), (33292, 570613)]