18866568

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 55978560

約数和(自身を除く): 37111992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 61, 84, 98, 122, 147, 168, 183, 196, 244, 263, 294, 366, 392, 427, 488, 526, 588, 732, 789, 854, 1052, 1176, 1281, 1464, 1578, 1708, 1841, 2104, 2562, 2989, 3156, 3416, 3682, 5124, 5523, 5978, 6312, 7364, 8967, 10248, 11046, 11956, 12887, 14728, 16043, 17934, 22092, 23912, 25774, 32086, 35868, 38661, 44184, 48129, 51548, 64172, 71736, 77322, 96258, 103096, 112301, 128344, 154644, 192516, 224602, 309288, 336903, 385032, 449204, 673806, 786107, 898408, 1347612, 1572214, 2358321, 2695224, 3144428, 4716642, 6288856, 9433284, 18866568]

約数ペア:

[(1, 18866568), (2, 9433284), (3, 6288856), (4, 4716642), (6, 3144428), (7, 2695224), (8, 2358321), (12, 1572214), (14, 1347612), (21, 898408), (24, 786107), (28, 673806), (42, 449204), (49, 385032), (56, 336903), (61, 309288), (84, 224602), (98, 192516), (122, 154644), (147, 128344), (168, 112301), (183, 103096), (196, 96258), (244, 77322), (263, 71736), (294, 64172), (366, 51548), (392, 48129), (427, 44184), (488, 38661), (526, 35868), (588, 32086), (732, 25774), (789, 23912), (854, 22092), (1052, 17934), (1176, 16043), (1281, 14728), (1464, 12887), (1578, 11956), (1708, 11046), (1841, 10248), (2104, 8967), (2562, 7364), (2989, 6312), (3156, 5978), (3416, 5523), (3682, 5124)]