18959616

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 60665920

約数和(自身を除く): 41706304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 211, 216, 234, 256, 288, 312, 351, 384, 416, 422, 432, 468, 576, 624, 633, 702, 768, 832, 844, 864, 936, 1152, 1248, 1266, 1404, 1664, 1688, 1728, 1872, 1899, 2304, 2496, 2532, 2743, 2808, 3328, 3376, 3456, 3744, 3798, 4992, 5064, 5486, 5616, 5697, 6752, 6912, 7488, 7596, 8229, 9984, 10128, 10972, 11232, 11394, 13504, 14976, 15192, 16458, 20256, 21944, 22464, 22788, 24687, 27008, 29952, 30384, 32916, 40512, 43888, 44928, 45576, 49374, 54016, 60768, 65832, 74061, 81024, 87776, 89856, 91152, 98748, 121536, 131664, 148122, 162048, 175552, 182304, 197496, 243072, 263328, 296244, 351104, 364608, 394992, 486144, 526656, 592488, 702208, 729216, 789984, 1053312, 1184976, 1458432, 1579968, 2106624, 2369952, 3159936, 4739904, 6319872, 9479808, 18959616]

約数ペア:

[(1, 18959616), (2, 9479808), (3, 6319872), (4, 4739904), (6, 3159936), (8, 2369952), (9, 2106624), (12, 1579968), (13, 1458432), (16, 1184976), (18, 1053312), (24, 789984), (26, 729216), (27, 702208), (32, 592488), (36, 526656), (39, 486144), (48, 394992), (52, 364608), (54, 351104), (64, 296244), (72, 263328), (78, 243072), (96, 197496), (104, 182304), (108, 175552), (117, 162048), (128, 148122), (144, 131664), (156, 121536), (192, 98748), (208, 91152), (211, 89856), (216, 87776), (234, 81024), (256, 74061), (288, 65832), (312, 60768), (351, 54016), (384, 49374), (416, 45576), (422, 44928), (432, 43888), (468, 40512), (576, 32916), (624, 30384), (633, 29952), (702, 27008), (768, 24687), (832, 22788), (844, 22464), (864, 21944), (936, 20256), (1152, 16458), (1248, 15192), (1266, 14976), (1404, 13504), (1664, 11394), (1688, 11232), (1728, 10972), (1872, 10128), (1899, 9984), (2304, 8229), (2496, 7596), (2532, 7488), (2743, 6912), (2808, 6752), (3328, 5697), (3376, 5616), (3456, 5486), (3744, 5064), (3798, 4992)]