1821618920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1129}}^1$

素因数の和:1363

約数の個数: 128

約数和(自身を含む): 4735152000

約数和(自身を除く): 2913533080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 193, 209, 220, 380, 386, 418, 440, 760, 772, 836, 965, 1045, 1129, 1544, 1672, 1930, 2090, 2123, 2258, 3667, 3860, 4180, 4246, 4516, 5645, 7334, 7720, 8360, 8492, 9032, 10615, 11290, 12419, 14668, 16984, 18335, 21230, 21451, 22580, 24838, 29336, 36670, 40337, 42460, 42902, 45160, 49676, 62095, 73340, 80674, 84920, 85804, 99352, 107255, 124190, 146680, 161348, 171608, 201685, 214510, 217897, 235961, 248380, 322696, 403370, 429020, 435794, 471922, 496760, 806740, 858040, 871588, 943844, 1089485, 1179805, 1613480, 1743176, 1887688, 2178970, 2359610, 2396867, 4140043, 4357940, 4719220, 4793734, 8280086, 8715880, 9438440, 9587468, 11984335, 16560172, 19174936, 20700215, 23968670, 33120344, 41400430, 45540473, 47937340, 82800860, 91080946, 95874680, 165601720, 182161892, 227702365, 364323784, 455404730, 910809460, 1821618920]

約数ペア:

[(1, 1821618920), (2, 910809460), (4, 455404730), (5, 364323784), (8, 227702365), (10, 182161892), (11, 165601720), (19, 95874680), (20, 91080946), (22, 82800860), (38, 47937340), (40, 45540473), (44, 41400430), (55, 33120344), (76, 23968670), (88, 20700215), (95, 19174936), (110, 16560172), (152, 11984335), (190, 9587468), (193, 9438440), (209, 8715880), (220, 8280086), (380, 4793734), (386, 4719220), (418, 4357940), (440, 4140043), (760, 2396867), (772, 2359610), (836, 2178970), (965, 1887688), (1045, 1743176), (1129, 1613480), (1544, 1179805), (1672, 1089485), (1930, 943844), (2090, 871588), (2123, 858040), (2258, 806740), (3667, 496760), (3860, 471922), (4180, 435794), (4246, 429020), (4516, 403370), (5645, 322696), (7334, 248380), (7720, 235961), (8360, 217897), (8492, 214510), (9032, 201685), (10615, 171608), (11290, 161348), (12419, 146680), (14668, 124190), (16984, 107255), (18335, 99352), (21230, 85804), (21451, 84920), (22580, 80674), (24838, 73340), (29336, 62095), (36670, 49676), (40337, 45160), (42460, 42902)]