18843968

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 112

約数和(自身を含む): 46085760

約数和(自身を除く): 27241792

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 32, 44, 52, 58, 64, 71, 88, 104, 116, 142, 143, 176, 208, 232, 284, 286, 319, 352, 377, 416, 464, 568, 572, 638, 704, 754, 781, 832, 923, 928, 1136, 1144, 1276, 1508, 1562, 1846, 1856, 2059, 2272, 2288, 2552, 3016, 3124, 3692, 4118, 4147, 4544, 4576, 5104, 6032, 6248, 7384, 8236, 8294, 9152, 10153, 10208, 12064, 12496, 14768, 16472, 16588, 20306, 20416, 22649, 24128, 24992, 26767, 29536, 32944, 33176, 40612, 45298, 49984, 53534, 59072, 65888, 66352, 81224, 90596, 107068, 131776, 132704, 162448, 181192, 214136, 265408, 294437, 324896, 362384, 428272, 588874, 649792, 724768, 856544, 1177748, 1449536, 1713088, 2355496, 4710992, 9421984, 18843968]

約数ペア:

[(1, 18843968), (2, 9421984), (4, 4710992), (8, 2355496), (11, 1713088), (13, 1449536), (16, 1177748), (22, 856544), (26, 724768), (29, 649792), (32, 588874), (44, 428272), (52, 362384), (58, 324896), (64, 294437), (71, 265408), (88, 214136), (104, 181192), (116, 162448), (142, 132704), (143, 131776), (176, 107068), (208, 90596), (232, 81224), (284, 66352), (286, 65888), (319, 59072), (352, 53534), (377, 49984), (416, 45298), (464, 40612), (568, 33176), (572, 32944), (638, 29536), (704, 26767), (754, 24992), (781, 24128), (832, 22649), (923, 20416), (928, 20306), (1136, 16588), (1144, 16472), (1276, 14768), (1508, 12496), (1562, 12064), (1846, 10208), (1856, 10153), (2059, 9152), (2272, 8294), (2288, 8236), (2552, 7384), (3016, 6248), (3124, 6032), (3692, 5104), (4118, 4576), (4147, 4544)]