20163989818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1\times {\mathrm{2281}}^1$

素因数の和:2675

約数の個数: 64

約数和(自身を含む): 36804096000

約数和(自身を除く): 16640106182

約数列:

[1, 2, 7, 14, 19, 38, 133, 167, 199, 266, 334, 398, 1169, 1393, 2281, 2338, 2786, 3173, 3781, 4562, 6346, 7562, 15967, 22211, 26467, 31934, 33233, 43339, 44422, 52934, 66466, 86678, 232631, 303373, 380927, 453919, 465262, 606746, 631427, 761854, 907838, 1262854, 2666489, 3177433, 4419989, 5332978, 6354866, 7237613, 8624461, 8839978, 14475226, 17248922, 50663291, 60371227, 75804473, 101326582, 120742454, 151608946, 530631311, 1061262622, 1440284987, 2880569974, 10081994909, 20163989818]

約数ペア:

[(1, 20163989818), (2, 10081994909), (7, 2880569974), (14, 1440284987), (19, 1061262622), (38, 530631311), (133, 151608946), (167, 120742454), (199, 101326582), (266, 75804473), (334, 60371227), (398, 50663291), (1169, 17248922), (1393, 14475226), (2281, 8839978), (2338, 8624461), (2786, 7237613), (3173, 6354866), (3781, 5332978), (4562, 4419989), (6346, 3177433), (7562, 2666489), (15967, 1262854), (22211, 907838), (26467, 761854), (31934, 631427), (33233, 606746), (43339, 465262), (44422, 453919), (52934, 380927), (66466, 303373), (86678, 232631)]