18940374544

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:614

約数の個数: 240

約数和(自身を含む): 47889601536

約数和(自身を除く): 28949226992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 151, 182, 196, 208, 217, 248, 302, 364, 392, 397, 403, 434, 496, 604, 637, 728, 784, 794, 806, 868, 1057, 1208, 1274, 1456, 1519, 1588, 1612, 1736, 1963, 2114, 2416, 2548, 2779, 2821, 3038, 3176, 3224, 3472, 3926, 4228, 4681, 5096, 5161, 5558, 5642, 6076, 6352, 6448, 7399, 7852, 8456, 9362, 10192, 10322, 11116, 11284, 12152, 12307, 13741, 14798, 15704, 16912, 18724, 19453, 19747, 20644, 22232, 22568, 24304, 24614, 27482, 29596, 31408, 32767, 36127, 37448, 38906, 39494, 41288, 44464, 45136, 49228, 54964, 59192, 59947, 60853, 65534, 72254, 74896, 77812, 78988, 82576, 86149, 96187, 98456, 109928, 118384, 119894, 121706, 131068, 144508, 155624, 157976, 159991, 172298, 192374, 196912, 219856, 229369, 239788, 243412, 252889, 262136, 289016, 311248, 315952, 319982, 344596, 384748, 419629, 425971, 458738, 479576, 486824, 505778, 524272, 578032, 603043, 639964, 689192, 769496, 779311, 839258, 851942, 917476, 959152, 973648, 1011556, 1119937, 1206086, 1279928, 1378384, 1538992, 1558622, 1678516, 1703884, 1834952, 1858357, 2023112, 2239874, 2412172, 2559856, 2937403, 2981797, 3117244, 3357032, 3407768, 3669904, 3716714, 4046224, 4479748, 4824344, 5455177, 5874806, 5963594, 6234488, 6714064, 6815536, 7433428, 7839559, 8959496, 9648688, 10910354, 11749612, 11927188, 12468976, 13008499, 14866856, 15679118, 17918992, 21820708, 23499224, 23854376, 24158641, 26016998, 29733712, 31358236, 38186239, 43641416, 46998448, 47708752, 48317282, 52033996, 62716472, 76372478, 87282832, 91059493, 96634564, 104067992, 125432944, 152744956, 169110487, 182118986, 193269128, 208135984, 305489912, 338220974, 364237972, 386538256, 610979824, 676441948, 728475944, 1183773409, 1352883896, 1456951888, 2367546818, 2705767792, 4735093636, 9470187272, 18940374544]

約数ペア:

[(1, 18940374544), (2, 9470187272), (4, 4735093636), (7, 2705767792), (8, 2367546818), (13, 1456951888), (14, 1352883896), (16, 1183773409), (26, 728475944), (28, 676441948), (31, 610979824), (49, 386538256), (52, 364237972), (56, 338220974), (62, 305489912), (91, 208135984), (98, 193269128), (104, 182118986), (112, 169110487), (124, 152744956), (151, 125432944), (182, 104067992), (196, 96634564), (208, 91059493), (217, 87282832), (248, 76372478), (302, 62716472), (364, 52033996), (392, 48317282), (397, 47708752), (403, 46998448), (434, 43641416), (496, 38186239), (604, 31358236), (637, 29733712), (728, 26016998), (784, 24158641), (794, 23854376), (806, 23499224), (868, 21820708), (1057, 17918992), (1208, 15679118), (1274, 14866856), (1456, 13008499), (1519, 12468976), (1588, 11927188), (1612, 11749612), (1736, 10910354), (1963, 9648688), (2114, 8959496), (2416, 7839559), (2548, 7433428), (2779, 6815536), (2821, 6714064), (3038, 6234488), (3176, 5963594), (3224, 5874806), (3472, 5455177), (3926, 4824344), (4228, 4479748), (4681, 4046224), (5096, 3716714), (5161, 3669904), (5558, 3407768), (5642, 3357032), (6076, 3117244), (6352, 2981797), (6448, 2937403), (7399, 2559856), (7852, 2412172), (8456, 2239874), (9362, 2023112), (10192, 1858357), (10322, 1834952), (11116, 1703884), (11284, 1678516), (12152, 1558622), (12307, 1538992), (13741, 1378384), (14798, 1279928), (15704, 1206086), (16912, 1119937), (18724, 1011556), (19453, 973648), (19747, 959152), (20644, 917476), (22232, 851942), (22568, 839258), (24304, 779311), (24614, 769496), (27482, 689192), (29596, 639964), (31408, 603043), (32767, 578032), (36127, 524272), (37448, 505778), (38906, 486824), (39494, 479576), (41288, 458738), (44464, 425971), (45136, 419629), (49228, 384748), (54964, 344596), (59192, 319982), (59947, 315952), (60853, 311248), (65534, 289016), (72254, 262136), (74896, 252889), (77812, 243412), (78988, 239788), (82576, 229369), (86149, 219856), (96187, 196912), (98456, 192374), (109928, 172298), (118384, 159991), (119894, 157976), (121706, 155624), (131068, 144508)]