18237912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 39822888

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 71, 77, 84, 88, 132, 139, 142, 154, 168, 213, 231, 264, 278, 284, 308, 417, 426, 462, 497, 556, 568, 616, 781, 834, 852, 924, 973, 994, 1112, 1491, 1529, 1562, 1668, 1704, 1848, 1946, 1988, 2343, 2919, 2982, 3058, 3124, 3336, 3892, 3976, 4587, 4686, 5467, 5838, 5964, 6116, 6248, 7784, 9174, 9372, 9869, 10703, 10934, 11676, 11928, 12232, 16401, 18348, 18744, 19738, 21406, 21868, 23352, 29607, 32109, 32802, 36696, 39476, 42812, 43736, 59214, 64218, 65604, 69083, 78952, 85624, 108559, 118428, 128436, 131208, 138166, 207249, 217118, 236856, 256872, 276332, 325677, 414498, 434236, 552664, 651354, 759913, 828996, 868472, 1302708, 1519826, 1657992, 2279739, 2605416, 3039652, 4559478, 6079304, 9118956, 18237912]

約数ペア:

[(1, 18237912), (2, 9118956), (3, 6079304), (4, 4559478), (6, 3039652), (7, 2605416), (8, 2279739), (11, 1657992), (12, 1519826), (14, 1302708), (21, 868472), (22, 828996), (24, 759913), (28, 651354), (33, 552664), (42, 434236), (44, 414498), (56, 325677), (66, 276332), (71, 256872), (77, 236856), (84, 217118), (88, 207249), (132, 138166), (139, 131208), (142, 128436), (154, 118428), (168, 108559), (213, 85624), (231, 78952), (264, 69083), (278, 65604), (284, 64218), (308, 59214), (417, 43736), (426, 42812), (462, 39476), (497, 36696), (556, 32802), (568, 32109), (616, 29607), (781, 23352), (834, 21868), (852, 21406), (924, 19738), (973, 18744), (994, 18348), (1112, 16401), (1491, 12232), (1529, 11928), (1562, 11676), (1668, 10934), (1704, 10703), (1848, 9869), (1946, 9372), (1988, 9174), (2343, 7784), (2919, 6248), (2982, 6116), (3058, 5964), (3124, 5838), (3336, 5467), (3892, 4686), (3976, 4587)]