19388928

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1005

約数の個数: 80

約数和(自身を含む): 55683936

約数和(自身を除く): 36295008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 971, 1248, 1536, 1664, 1942, 2496, 2913, 3328, 3884, 4992, 5826, 6656, 7768, 9984, 11652, 12623, 15536, 19968, 23304, 25246, 31072, 37869, 46608, 50492, 62144, 75738, 93216, 100984, 124288, 151476, 186432, 201968, 248576, 302952, 372864, 403936, 497152, 605904, 745728, 807872, 1211808, 1491456, 1615744, 2423616, 3231488, 4847232, 6462976, 9694464, 19388928]

約数ペア:

[(1, 19388928), (2, 9694464), (3, 6462976), (4, 4847232), (6, 3231488), (8, 2423616), (12, 1615744), (13, 1491456), (16, 1211808), (24, 807872), (26, 745728), (32, 605904), (39, 497152), (48, 403936), (52, 372864), (64, 302952), (78, 248576), (96, 201968), (104, 186432), (128, 151476), (156, 124288), (192, 100984), (208, 93216), (256, 75738), (312, 62144), (384, 50492), (416, 46608), (512, 37869), (624, 31072), (768, 25246), (832, 23304), (971, 19968), (1248, 15536), (1536, 12623), (1664, 11652), (1942, 9984), (2496, 7768), (2913, 6656), (3328, 5826), (3884, 4992)]