18976440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 256

約数和(自身を含む): 72576000

約数和(自身を除く): 53599560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 29, 30, 35, 38, 40, 41, 42, 56, 57, 58, 60, 70, 76, 82, 84, 87, 95, 105, 114, 116, 120, 123, 133, 140, 145, 152, 164, 168, 174, 190, 203, 205, 210, 228, 232, 246, 266, 280, 285, 287, 290, 328, 348, 380, 399, 406, 410, 420, 435, 456, 492, 532, 551, 570, 574, 580, 609, 615, 665, 696, 760, 779, 798, 812, 820, 840, 861, 870, 984, 1015, 1064, 1102, 1140, 1148, 1160, 1189, 1218, 1230, 1330, 1435, 1558, 1596, 1624, 1640, 1653, 1722, 1740, 1995, 2030, 2204, 2280, 2296, 2337, 2378, 2436, 2460, 2660, 2755, 2870, 3045, 3116, 3192, 3306, 3444, 3480, 3567, 3857, 3895, 3990, 4060, 4305, 4408, 4674, 4756, 4872, 4920, 5320, 5453, 5510, 5740, 5945, 6090, 6232, 6612, 6888, 7134, 7714, 7790, 7980, 8120, 8265, 8323, 8610, 9348, 9512, 10906, 11020, 11480, 11571, 11685, 11890, 12180, 13224, 14268, 15428, 15580, 15960, 16359, 16530, 16646, 17220, 17835, 18696, 19285, 21812, 22040, 22591, 23142, 23370, 23780, 24360, 24969, 27265, 28536, 30856, 31160, 32718, 33060, 33292, 34440, 35670, 38570, 41615, 43624, 45182, 46284, 46740, 47560, 49938, 54530, 57855, 65436, 66120, 66584, 67773, 71340, 77140, 81795, 83230, 90364, 92568, 93480, 99876, 109060, 112955, 115710, 124845, 130872, 135546, 142680, 154280, 158137, 163590, 166460, 180728, 199752, 218120, 225910, 231420, 249690, 271092, 316274, 327180, 332920, 338865, 451820, 462840, 474411, 499380, 542184, 632548, 654360, 677730, 790685, 903640, 948822, 998760, 1265096, 1355460, 1581370, 1897644, 2372055, 2710920, 3162740, 3795288, 4744110, 6325480, 9488220, 18976440]

約数ペア:

[(1, 18976440), (2, 9488220), (3, 6325480), (4, 4744110), (5, 3795288), (6, 3162740), (7, 2710920), (8, 2372055), (10, 1897644), (12, 1581370), (14, 1355460), (15, 1265096), (19, 998760), (20, 948822), (21, 903640), (24, 790685), (28, 677730), (29, 654360), (30, 632548), (35, 542184), (38, 499380), (40, 474411), (41, 462840), (42, 451820), (56, 338865), (57, 332920), (58, 327180), (60, 316274), (70, 271092), (76, 249690), (82, 231420), (84, 225910), (87, 218120), (95, 199752), (105, 180728), (114, 166460), (116, 163590), (120, 158137), (123, 154280), (133, 142680), (140, 135546), (145, 130872), (152, 124845), (164, 115710), (168, 112955), (174, 109060), (190, 99876), (203, 93480), (205, 92568), (210, 90364), (228, 83230), (232, 81795), (246, 77140), (266, 71340), (280, 67773), (285, 66584), (287, 66120), (290, 65436), (328, 57855), (348, 54530), (380, 49938), (399, 47560), (406, 46740), (410, 46284), (420, 45182), (435, 43624), (456, 41615), (492, 38570), (532, 35670), (551, 34440), (570, 33292), (574, 33060), (580, 32718), (609, 31160), (615, 30856), (665, 28536), (696, 27265), (760, 24969), (779, 24360), (798, 23780), (812, 23370), (820, 23142), (840, 22591), (861, 22040), (870, 21812), (984, 19285), (1015, 18696), (1064, 17835), (1102, 17220), (1140, 16646), (1148, 16530), (1160, 16359), (1189, 15960), (1218, 15580), (1230, 15428), (1330, 14268), (1435, 13224), (1558, 12180), (1596, 11890), (1624, 11685), (1640, 11571), (1653, 11480), (1722, 11020), (1740, 10906), (1995, 9512), (2030, 9348), (2204, 8610), (2280, 8323), (2296, 8265), (2337, 8120), (2378, 7980), (2436, 7790), (2460, 7714), (2660, 7134), (2755, 6888), (2870, 6612), (3045, 6232), (3116, 6090), (3192, 5945), (3306, 5740), (3444, 5510), (3480, 5453), (3567, 5320), (3857, 4920), (3895, 4872), (3990, 4756), (4060, 4674), (4305, 4408)]