19947312

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 180

約数和(自身を含む): 71118216

約数和(自身を除く): 51170904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 49, 56, 63, 66, 72, 77, 84, 88, 98, 99, 112, 126, 132, 144, 147, 154, 168, 176, 196, 198, 231, 252, 257, 264, 294, 308, 336, 392, 396, 441, 462, 504, 514, 528, 539, 588, 616, 693, 771, 784, 792, 882, 924, 1008, 1028, 1078, 1176, 1232, 1386, 1542, 1584, 1617, 1764, 1799, 1848, 2056, 2156, 2313, 2352, 2772, 2827, 3084, 3234, 3528, 3598, 3696, 4112, 4312, 4626, 4851, 5397, 5544, 5654, 6168, 6468, 7056, 7196, 8481, 8624, 9252, 9702, 10794, 11088, 11308, 12336, 12593, 12936, 14392, 16191, 16962, 18504, 19404, 19789, 21588, 22616, 25186, 25443, 25872, 28784, 32382, 33924, 37008, 37779, 38808, 39578, 43176, 45232, 50372, 50886, 59367, 64764, 67848, 75558, 77616, 79156, 86352, 100744, 101772, 113337, 118734, 129528, 135696, 138523, 151116, 158312, 178101, 201488, 203544, 226674, 237468, 259056, 277046, 302232, 316624, 356202, 407088, 415569, 453348, 474936, 554092, 604464, 712404, 831138, 906696, 949872, 1108184, 1246707, 1424808, 1662276, 1813392, 2216368, 2493414, 2849616, 3324552, 4986828, 6649104, 9973656, 19947312]

約数ペア:

[(1, 19947312), (2, 9973656), (3, 6649104), (4, 4986828), (6, 3324552), (7, 2849616), (8, 2493414), (9, 2216368), (11, 1813392), (12, 1662276), (14, 1424808), (16, 1246707), (18, 1108184), (21, 949872), (22, 906696), (24, 831138), (28, 712404), (33, 604464), (36, 554092), (42, 474936), (44, 453348), (48, 415569), (49, 407088), (56, 356202), (63, 316624), (66, 302232), (72, 277046), (77, 259056), (84, 237468), (88, 226674), (98, 203544), (99, 201488), (112, 178101), (126, 158312), (132, 151116), (144, 138523), (147, 135696), (154, 129528), (168, 118734), (176, 113337), (196, 101772), (198, 100744), (231, 86352), (252, 79156), (257, 77616), (264, 75558), (294, 67848), (308, 64764), (336, 59367), (392, 50886), (396, 50372), (441, 45232), (462, 43176), (504, 39578), (514, 38808), (528, 37779), (539, 37008), (588, 33924), (616, 32382), (693, 28784), (771, 25872), (784, 25443), (792, 25186), (882, 22616), (924, 21588), (1008, 19789), (1028, 19404), (1078, 18504), (1176, 16962), (1232, 16191), (1386, 14392), (1542, 12936), (1584, 12593), (1617, 12336), (1764, 11308), (1799, 11088), (1848, 10794), (2056, 9702), (2156, 9252), (2313, 8624), (2352, 8481), (2772, 7196), (2827, 7056), (3084, 6468), (3234, 6168), (3528, 5654), (3598, 5544), (3696, 5397), (4112, 4851), (4312, 4626)]