18805920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:247

約数の個数: 192

約数和(自身を含む): 70398720

約数和(自身を除く): 51592800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 96, 105, 112, 116, 120, 140, 145, 160, 168, 174, 193, 203, 210, 224, 232, 240, 280, 290, 336, 348, 386, 406, 420, 435, 464, 480, 560, 579, 580, 609, 672, 696, 772, 812, 840, 870, 928, 965, 1015, 1120, 1158, 1160, 1218, 1351, 1392, 1544, 1624, 1680, 1740, 1930, 2030, 2316, 2320, 2436, 2702, 2784, 2895, 3045, 3088, 3248, 3360, 3480, 3860, 4053, 4060, 4632, 4640, 4872, 5404, 5597, 5790, 6090, 6176, 6496, 6755, 6960, 7720, 8106, 8120, 9264, 9744, 10808, 11194, 11580, 12180, 13510, 13920, 15440, 16212, 16240, 16791, 18528, 19488, 20265, 21616, 22388, 23160, 24360, 27020, 27985, 30880, 32424, 32480, 33582, 39179, 40530, 43232, 44776, 46320, 48720, 54040, 55970, 64848, 67164, 78358, 81060, 83955, 89552, 92640, 97440, 108080, 111940, 117537, 129696, 134328, 156716, 162120, 167910, 179104, 195895, 216160, 223880, 235074, 268656, 313432, 324240, 335820, 391790, 447760, 470148, 537312, 587685, 626864, 648480, 671640, 783580, 895520, 940296, 1175370, 1253728, 1343280, 1567160, 1880592, 2350740, 2686560, 3134320, 3761184, 4701480, 6268640, 9402960, 18805920]

約数ペア:

[(1, 18805920), (2, 9402960), (3, 6268640), (4, 4701480), (5, 3761184), (6, 3134320), (7, 2686560), (8, 2350740), (10, 1880592), (12, 1567160), (14, 1343280), (15, 1253728), (16, 1175370), (20, 940296), (21, 895520), (24, 783580), (28, 671640), (29, 648480), (30, 626864), (32, 587685), (35, 537312), (40, 470148), (42, 447760), (48, 391790), (56, 335820), (58, 324240), (60, 313432), (70, 268656), (80, 235074), (84, 223880), (87, 216160), (96, 195895), (105, 179104), (112, 167910), (116, 162120), (120, 156716), (140, 134328), (145, 129696), (160, 117537), (168, 111940), (174, 108080), (193, 97440), (203, 92640), (210, 89552), (224, 83955), (232, 81060), (240, 78358), (280, 67164), (290, 64848), (336, 55970), (348, 54040), (386, 48720), (406, 46320), (420, 44776), (435, 43232), (464, 40530), (480, 39179), (560, 33582), (579, 32480), (580, 32424), (609, 30880), (672, 27985), (696, 27020), (772, 24360), (812, 23160), (840, 22388), (870, 21616), (928, 20265), (965, 19488), (1015, 18528), (1120, 16791), (1158, 16240), (1160, 16212), (1218, 15440), (1351, 13920), (1392, 13510), (1544, 12180), (1624, 11580), (1680, 11194), (1740, 10808), (1930, 9744), (2030, 9264), (2316, 8120), (2320, 8106), (2436, 7720), (2702, 6960), (2784, 6755), (2895, 6496), (3045, 6176), (3088, 6090), (3248, 5790), (3360, 5597), (3480, 5404), (3860, 4872), (4053, 4640), (4060, 4632)]