18665472

素因数分解:

$2^{12}\times 3^1\times 7^2\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 156

約数和(自身を含む): 59761536

約数和(自身を除く): 41096064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 112, 124, 128, 147, 168, 186, 192, 196, 217, 224, 248, 256, 294, 336, 372, 384, 392, 434, 448, 496, 512, 588, 651, 672, 744, 768, 784, 868, 896, 992, 1024, 1176, 1302, 1344, 1488, 1519, 1536, 1568, 1736, 1792, 1984, 2048, 2352, 2604, 2688, 2976, 3038, 3072, 3136, 3472, 3584, 3968, 4096, 4557, 4704, 5208, 5376, 5952, 6076, 6144, 6272, 6944, 7168, 7936, 9114, 9408, 10416, 10752, 11904, 12152, 12288, 12544, 13888, 14336, 15872, 18228, 18816, 20832, 21504, 23808, 24304, 25088, 27776, 28672, 31744, 36456, 37632, 41664, 43008, 47616, 48608, 50176, 55552, 63488, 72912, 75264, 83328, 86016, 95232, 97216, 100352, 111104, 126976, 145824, 150528, 166656, 190464, 194432, 200704, 222208, 291648, 301056, 333312, 380928, 388864, 444416, 583296, 602112, 666624, 777728, 888832, 1166592, 1333248, 1555456, 2333184, 2666496, 3110912, 4666368, 6221824, 9332736, 18665472]

約数ペア:

[(1, 18665472), (2, 9332736), (3, 6221824), (4, 4666368), (6, 3110912), (7, 2666496), (8, 2333184), (12, 1555456), (14, 1333248), (16, 1166592), (21, 888832), (24, 777728), (28, 666624), (31, 602112), (32, 583296), (42, 444416), (48, 388864), (49, 380928), (56, 333312), (62, 301056), (64, 291648), (84, 222208), (93, 200704), (96, 194432), (98, 190464), (112, 166656), (124, 150528), (128, 145824), (147, 126976), (168, 111104), (186, 100352), (192, 97216), (196, 95232), (217, 86016), (224, 83328), (248, 75264), (256, 72912), (294, 63488), (336, 55552), (372, 50176), (384, 48608), (392, 47616), (434, 43008), (448, 41664), (496, 37632), (512, 36456), (588, 31744), (651, 28672), (672, 27776), (744, 25088), (768, 24304), (784, 23808), (868, 21504), (896, 20832), (992, 18816), (1024, 18228), (1176, 15872), (1302, 14336), (1344, 13888), (1488, 12544), (1519, 12288), (1536, 12152), (1568, 11904), (1736, 10752), (1792, 10416), (1984, 9408), (2048, 9114), (2352, 7936), (2604, 7168), (2688, 6944), (2976, 6272), (3038, 6144), (3072, 6076), (3136, 5952), (3472, 5376), (3584, 5208), (3968, 4704), (4096, 4557)]