2018321816

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 4752000000

約数和(自身を除く): 2733678184

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 76, 116, 133, 149, 152, 203, 232, 266, 298, 406, 439, 532, 551, 596, 812, 878, 1043, 1064, 1102, 1192, 1624, 1756, 2086, 2204, 2831, 3073, 3512, 3857, 4172, 4321, 4408, 5662, 6146, 7714, 8341, 8344, 8642, 11324, 12292, 12731, 15428, 16682, 17284, 19817, 22648, 24584, 25462, 30247, 30856, 33364, 34568, 39634, 50924, 58387, 60494, 65411, 66728, 79268, 82099, 89117, 101848, 116774, 120988, 130822, 158536, 164198, 178234, 233548, 241889, 241976, 261644, 328396, 356468, 457877, 467096, 483778, 523288, 574693, 656792, 712936, 915754, 967556, 1149386, 1242809, 1693223, 1831508, 1896919, 1935112, 2298772, 2485618, 3386446, 3663016, 3793838, 4597544, 4971236, 6772892, 7587676, 8699663, 9942472, 13278433, 13545784, 15175352, 17399326, 26556866, 34798652, 36041461, 53113732, 69597304, 72082922, 106227464, 144165844, 252290227, 288331688, 504580454, 1009160908, 2018321816]

約数ペア:

[(1, 2018321816), (2, 1009160908), (4, 504580454), (7, 288331688), (8, 252290227), (14, 144165844), (19, 106227464), (28, 72082922), (29, 69597304), (38, 53113732), (56, 36041461), (58, 34798652), (76, 26556866), (116, 17399326), (133, 15175352), (149, 13545784), (152, 13278433), (203, 9942472), (232, 8699663), (266, 7587676), (298, 6772892), (406, 4971236), (439, 4597544), (532, 3793838), (551, 3663016), (596, 3386446), (812, 2485618), (878, 2298772), (1043, 1935112), (1064, 1896919), (1102, 1831508), (1192, 1693223), (1624, 1242809), (1756, 1149386), (2086, 967556), (2204, 915754), (2831, 712936), (3073, 656792), (3512, 574693), (3857, 523288), (4172, 483778), (4321, 467096), (4408, 457877), (5662, 356468), (6146, 328396), (7714, 261644), (8341, 241976), (8344, 241889), (8642, 233548), (11324, 178234), (12292, 164198), (12731, 158536), (15428, 130822), (16682, 120988), (17284, 116774), (19817, 101848), (22648, 89117), (24584, 82099), (25462, 79268), (30247, 66728), (30856, 65411), (33364, 60494), (34568, 58387), (39634, 50924)]