18731680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 50077440

約数和(自身を除く): 31345760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 110, 116, 145, 160, 176, 220, 232, 290, 319, 352, 367, 440, 464, 580, 638, 734, 880, 928, 1160, 1276, 1468, 1595, 1760, 1835, 2320, 2552, 2936, 3190, 3670, 4037, 4640, 5104, 5872, 6380, 7340, 8074, 10208, 10643, 11744, 12760, 14680, 16148, 20185, 21286, 25520, 29360, 32296, 40370, 42572, 51040, 53215, 58720, 64592, 80740, 85144, 106430, 117073, 129184, 161480, 170288, 212860, 234146, 322960, 340576, 425720, 468292, 585365, 645920, 851440, 936584, 1170730, 1702880, 1873168, 2341460, 3746336, 4682920, 9365840, 18731680]

約数ペア:

[(1, 18731680), (2, 9365840), (4, 4682920), (5, 3746336), (8, 2341460), (10, 1873168), (11, 1702880), (16, 1170730), (20, 936584), (22, 851440), (29, 645920), (32, 585365), (40, 468292), (44, 425720), (55, 340576), (58, 322960), (80, 234146), (88, 212860), (110, 170288), (116, 161480), (145, 129184), (160, 117073), (176, 106430), (220, 85144), (232, 80740), (290, 64592), (319, 58720), (352, 53215), (367, 51040), (440, 42572), (464, 40370), (580, 32296), (638, 29360), (734, 25520), (880, 21286), (928, 20185), (1160, 16148), (1276, 14680), (1468, 12760), (1595, 11744), (1760, 10643), (1835, 10208), (2320, 8074), (2552, 7340), (2936, 6380), (3190, 5872), (3670, 5104), (4037, 4640)]