19810301928

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{2297}}^1$

素因数の和:2547

約数の個数: 128

約数和(自身を含む): 51906856320

約数和(自身を除く): 32096554392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 61, 86, 122, 129, 137, 172, 183, 244, 258, 274, 344, 366, 411, 488, 516, 548, 732, 822, 1032, 1096, 1464, 1644, 2297, 2623, 3288, 4594, 5246, 5891, 6891, 7869, 8357, 9188, 10492, 11782, 13782, 15738, 16714, 17673, 18376, 20984, 23564, 25071, 27564, 31476, 33428, 35346, 47128, 50142, 55128, 62952, 66856, 70692, 98771, 100284, 140117, 141384, 197542, 200568, 280234, 296313, 314689, 359351, 395084, 420351, 560468, 592626, 629378, 718702, 790168, 840702, 944067, 1078053, 1120936, 1185252, 1258756, 1437404, 1681404, 1888134, 2156106, 2370504, 2517512, 2874808, 3362808, 3776268, 4312212, 6025031, 7552536, 8624424, 12050062, 13531627, 18075093, 19196029, 24100124, 27063254, 36150186, 38392058, 40594881, 48200248, 54126508, 57588087, 72300372, 76784116, 81189762, 108253016, 115176174, 144600744, 153568232, 162379524, 230352348, 324759048, 460704696, 825429247, 1650858494, 2476287741, 3301716988, 4952575482, 6603433976, 9905150964, 19810301928]

約数ペア:

[(1, 19810301928), (2, 9905150964), (3, 6603433976), (4, 4952575482), (6, 3301716988), (8, 2476287741), (12, 1650858494), (24, 825429247), (43, 460704696), (61, 324759048), (86, 230352348), (122, 162379524), (129, 153568232), (137, 144600744), (172, 115176174), (183, 108253016), (244, 81189762), (258, 76784116), (274, 72300372), (344, 57588087), (366, 54126508), (411, 48200248), (488, 40594881), (516, 38392058), (548, 36150186), (732, 27063254), (822, 24100124), (1032, 19196029), (1096, 18075093), (1464, 13531627), (1644, 12050062), (2297, 8624424), (2623, 7552536), (3288, 6025031), (4594, 4312212), (5246, 3776268), (5891, 3362808), (6891, 2874808), (7869, 2517512), (8357, 2370504), (9188, 2156106), (10492, 1888134), (11782, 1681404), (13782, 1437404), (15738, 1258756), (16714, 1185252), (17673, 1120936), (18376, 1078053), (20984, 944067), (23564, 840702), (25071, 790168), (27564, 718702), (31476, 629378), (33428, 592626), (35346, 560468), (47128, 420351), (50142, 395084), (55128, 359351), (62952, 314689), (66856, 296313), (70692, 280234), (98771, 200568), (100284, 197542), (140117, 141384)]