18917136

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{383}}^1$

素因数の和:418

約数の個数: 120

約数和(自身を含む): 61900800

約数和(自身を除く): 42983664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 343, 383, 392, 441, 504, 588, 686, 766, 784, 882, 1008, 1029, 1149, 1176, 1372, 1532, 1764, 2058, 2298, 2352, 2681, 2744, 3064, 3087, 3447, 3528, 4116, 4596, 5362, 5488, 6128, 6174, 6894, 7056, 8043, 8232, 9192, 10724, 12348, 13788, 16086, 16464, 18384, 18767, 21448, 24129, 24696, 27576, 32172, 37534, 42896, 48258, 49392, 55152, 56301, 64344, 75068, 96516, 112602, 128688, 131369, 150136, 168903, 193032, 225204, 262738, 300272, 337806, 386064, 394107, 450408, 525476, 675612, 788214, 900816, 1050952, 1182321, 1351224, 1576428, 2101904, 2364642, 2702448, 3152856, 4729284, 6305712, 9458568, 18917136]

約数ペア:

[(1, 18917136), (2, 9458568), (3, 6305712), (4, 4729284), (6, 3152856), (7, 2702448), (8, 2364642), (9, 2101904), (12, 1576428), (14, 1351224), (16, 1182321), (18, 1050952), (21, 900816), (24, 788214), (28, 675612), (36, 525476), (42, 450408), (48, 394107), (49, 386064), (56, 337806), (63, 300272), (72, 262738), (84, 225204), (98, 193032), (112, 168903), (126, 150136), (144, 131369), (147, 128688), (168, 112602), (196, 96516), (252, 75068), (294, 64344), (336, 56301), (343, 55152), (383, 49392), (392, 48258), (441, 42896), (504, 37534), (588, 32172), (686, 27576), (766, 24696), (784, 24129), (882, 21448), (1008, 18767), (1029, 18384), (1149, 16464), (1176, 16086), (1372, 13788), (1532, 12348), (1764, 10724), (2058, 9192), (2298, 8232), (2352, 8043), (2681, 7056), (2744, 6894), (3064, 6174), (3087, 6128), (3447, 5488), (3528, 5362), (4116, 4596)]