18321984

素因数分解:

$2^6\times 3^3\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:505

約数の個数: 112

約数和(自身を含む): 56327040

約数和(自身を除く): 38005056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 138, 144, 184, 192, 207, 216, 276, 288, 368, 414, 432, 461, 552, 576, 621, 736, 828, 864, 922, 1104, 1242, 1383, 1472, 1656, 1728, 1844, 2208, 2484, 2766, 3312, 3688, 4149, 4416, 4968, 5532, 6624, 7376, 8298, 9936, 10603, 11064, 12447, 13248, 14752, 16596, 19872, 21206, 22128, 24894, 29504, 31809, 33192, 39744, 42412, 44256, 49788, 63618, 66384, 84824, 88512, 95427, 99576, 127236, 132768, 169648, 190854, 199152, 254472, 265536, 286281, 339296, 381708, 398304, 508944, 572562, 678592, 763416, 796608, 1017888, 1145124, 1526832, 2035776, 2290248, 3053664, 4580496, 6107328, 9160992, 18321984]

約数ペア:

[(1, 18321984), (2, 9160992), (3, 6107328), (4, 4580496), (6, 3053664), (8, 2290248), (9, 2035776), (12, 1526832), (16, 1145124), (18, 1017888), (23, 796608), (24, 763416), (27, 678592), (32, 572562), (36, 508944), (46, 398304), (48, 381708), (54, 339296), (64, 286281), (69, 265536), (72, 254472), (92, 199152), (96, 190854), (108, 169648), (138, 132768), (144, 127236), (184, 99576), (192, 95427), (207, 88512), (216, 84824), (276, 66384), (288, 63618), (368, 49788), (414, 44256), (432, 42412), (461, 39744), (552, 33192), (576, 31809), (621, 29504), (736, 24894), (828, 22128), (864, 21206), (922, 19872), (1104, 16596), (1242, 14752), (1383, 13248), (1472, 12447), (1656, 11064), (1728, 10603), (1844, 9936), (2208, 8298), (2484, 7376), (2766, 6624), (3312, 5532), (3688, 4968), (4149, 4416)]