18105984

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 192

約数和(自身を含む): 59731200

約数和(自身を除く): 41625216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 32, 36, 39, 48, 52, 54, 62, 64, 72, 78, 93, 96, 104, 108, 117, 124, 128, 144, 156, 169, 186, 192, 208, 216, 234, 248, 279, 288, 312, 338, 351, 372, 384, 403, 416, 432, 468, 496, 507, 558, 576, 624, 676, 702, 744, 806, 832, 837, 864, 936, 992, 1014, 1116, 1152, 1209, 1248, 1352, 1404, 1488, 1521, 1612, 1664, 1674, 1728, 1872, 1984, 2028, 2232, 2418, 2496, 2704, 2808, 2976, 3042, 3224, 3348, 3456, 3627, 3744, 3968, 4056, 4464, 4563, 4836, 4992, 5239, 5408, 5616, 5952, 6084, 6448, 6696, 7254, 7488, 8112, 8928, 9126, 9672, 10478, 10816, 10881, 11232, 11904, 12168, 12896, 13392, 14508, 14976, 15717, 16224, 17856, 18252, 19344, 20956, 21632, 21762, 22464, 24336, 25792, 26784, 29016, 31434, 32448, 35712, 36504, 38688, 41912, 43524, 44928, 47151, 48672, 51584, 53568, 58032, 62868, 64896, 73008, 77376, 83824, 87048, 94302, 97344, 107136, 116064, 125736, 141453, 146016, 154752, 167648, 174096, 188604, 194688, 232128, 251472, 282906, 292032, 335296, 348192, 377208, 464256, 502944, 565812, 584064, 670592, 696384, 754416, 1005888, 1131624, 1392768, 1508832, 2011776, 2263248, 3017664, 4526496, 6035328, 9052992, 18105984]

約数ペア:

[(1, 18105984), (2, 9052992), (3, 6035328), (4, 4526496), (6, 3017664), (8, 2263248), (9, 2011776), (12, 1508832), (13, 1392768), (16, 1131624), (18, 1005888), (24, 754416), (26, 696384), (27, 670592), (31, 584064), (32, 565812), (36, 502944), (39, 464256), (48, 377208), (52, 348192), (54, 335296), (62, 292032), (64, 282906), (72, 251472), (78, 232128), (93, 194688), (96, 188604), (104, 174096), (108, 167648), (117, 154752), (124, 146016), (128, 141453), (144, 125736), (156, 116064), (169, 107136), (186, 97344), (192, 94302), (208, 87048), (216, 83824), (234, 77376), (248, 73008), (279, 64896), (288, 62868), (312, 58032), (338, 53568), (351, 51584), (372, 48672), (384, 47151), (403, 44928), (416, 43524), (432, 41912), (468, 38688), (496, 36504), (507, 35712), (558, 32448), (576, 31434), (624, 29016), (676, 26784), (702, 25792), (744, 24336), (806, 22464), (832, 21762), (837, 21632), (864, 20956), (936, 19344), (992, 18252), (1014, 17856), (1116, 16224), (1152, 15717), (1209, 14976), (1248, 14508), (1352, 13392), (1404, 12896), (1488, 12168), (1521, 11904), (1612, 11232), (1664, 10881), (1674, 10816), (1728, 10478), (1872, 9672), (1984, 9126), (2028, 8928), (2232, 8112), (2418, 7488), (2496, 7254), (2704, 6696), (2808, 6448), (2976, 6084), (3042, 5952), (3224, 5616), (3348, 5408), (3456, 5239), (3627, 4992), (3744, 4836), (3968, 4563), (4056, 4464)]