18801926816

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{471179}}^1$

素因数の和:471261

約数の個数: 48

約数和(自身を含む): 39183328800

約数和(自身を除く): 20381401984

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 86, 116, 172, 232, 344, 464, 688, 928, 1247, 1376, 2494, 4988, 9976, 19952, 39904, 471179, 942358, 1884716, 3769432, 7538864, 13664191, 15077728, 20260697, 27328382, 40521394, 54656764, 81042788, 109313528, 162085576, 218627056, 324171152, 437254112, 587560213, 648342304, 1175120426, 2350240852, 4700481704, 9400963408, 18801926816]

約数ペア:

[(1, 18801926816), (2, 9400963408), (4, 4700481704), (8, 2350240852), (16, 1175120426), (29, 648342304), (32, 587560213), (43, 437254112), (58, 324171152), (86, 218627056), (116, 162085576), (172, 109313528), (232, 81042788), (344, 54656764), (464, 40521394), (688, 27328382), (928, 20260697), (1247, 15077728), (1376, 13664191), (2494, 7538864), (4988, 3769432), (9976, 1884716), (19952, 942358), (39904, 471179)]