2012398984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{5281}}^1$

素因数の和:5438

約数の個数: 64

約数和(自身を含む): 4183344000

約数和(自身を除く): 2170945016

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 109, 152, 184, 218, 436, 437, 872, 874, 1748, 2071, 2507, 3496, 4142, 5014, 5281, 8284, 10028, 10562, 16568, 20056, 21124, 42248, 47633, 95266, 100339, 121463, 190532, 200678, 242926, 381064, 401356, 485852, 575629, 802712, 971704, 1151258, 2302516, 2307797, 4605032, 4615594, 9231188, 10936951, 13239467, 18462376, 21873902, 26478934, 43747804, 52957868, 87495608, 105915736, 251549873, 503099746, 1006199492, 2012398984]

約数ペア:

[(1, 2012398984), (2, 1006199492), (4, 503099746), (8, 251549873), (19, 105915736), (23, 87495608), (38, 52957868), (46, 43747804), (76, 26478934), (92, 21873902), (109, 18462376), (152, 13239467), (184, 10936951), (218, 9231188), (436, 4615594), (437, 4605032), (872, 2307797), (874, 2302516), (1748, 1151258), (2071, 971704), (2507, 802712), (3496, 575629), (4142, 485852), (5014, 401356), (5281, 381064), (8284, 242926), (10028, 200678), (10562, 190532), (16568, 121463), (20056, 100339), (21124, 95266), (42248, 47633)]