17998848

素因数分解:

$2^{10}\times 3^4\times 7^1\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 220

約数和(自身を含む): 63407872

約数和(自身を除く): 45409024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 64, 72, 81, 84, 93, 96, 108, 112, 124, 126, 128, 144, 162, 168, 186, 189, 192, 216, 217, 224, 248, 252, 256, 279, 288, 324, 336, 372, 378, 384, 432, 434, 448, 496, 504, 512, 558, 567, 576, 648, 651, 672, 744, 756, 768, 837, 864, 868, 896, 992, 1008, 1024, 1116, 1134, 1152, 1296, 1302, 1344, 1488, 1512, 1536, 1674, 1728, 1736, 1792, 1953, 1984, 2016, 2232, 2268, 2304, 2511, 2592, 2604, 2688, 2976, 3024, 3072, 3348, 3456, 3472, 3584, 3906, 3968, 4032, 4464, 4536, 4608, 5022, 5184, 5208, 5376, 5859, 5952, 6048, 6696, 6912, 6944, 7168, 7812, 7936, 8064, 8928, 9072, 9216, 10044, 10368, 10416, 10752, 11718, 11904, 12096, 13392, 13824, 13888, 15624, 15872, 16128, 17577, 17856, 18144, 20088, 20736, 20832, 21504, 23436, 23808, 24192, 26784, 27648, 27776, 31248, 31744, 32256, 35154, 35712, 36288, 40176, 41472, 41664, 46872, 47616, 48384, 53568, 55552, 62496, 64512, 70308, 71424, 72576, 80352, 82944, 83328, 93744, 95232, 96768, 107136, 111104, 124992, 140616, 142848, 145152, 160704, 166656, 187488, 193536, 214272, 222208, 249984, 281232, 285696, 290304, 321408, 333312, 374976, 428544, 499968, 562464, 580608, 642816, 666624, 749952, 857088, 999936, 1124928, 1285632, 1499904, 1999872, 2249856, 2571264, 2999808, 4499712, 5999616, 8999424, 17998848]

約数ペア:

[(1, 17998848), (2, 8999424), (3, 5999616), (4, 4499712), (6, 2999808), (7, 2571264), (8, 2249856), (9, 1999872), (12, 1499904), (14, 1285632), (16, 1124928), (18, 999936), (21, 857088), (24, 749952), (27, 666624), (28, 642816), (31, 580608), (32, 562464), (36, 499968), (42, 428544), (48, 374976), (54, 333312), (56, 321408), (62, 290304), (63, 285696), (64, 281232), (72, 249984), (81, 222208), (84, 214272), (93, 193536), (96, 187488), (108, 166656), (112, 160704), (124, 145152), (126, 142848), (128, 140616), (144, 124992), (162, 111104), (168, 107136), (186, 96768), (189, 95232), (192, 93744), (216, 83328), (217, 82944), (224, 80352), (248, 72576), (252, 71424), (256, 70308), (279, 64512), (288, 62496), (324, 55552), (336, 53568), (372, 48384), (378, 47616), (384, 46872), (432, 41664), (434, 41472), (448, 40176), (496, 36288), (504, 35712), (512, 35154), (558, 32256), (567, 31744), (576, 31248), (648, 27776), (651, 27648), (672, 26784), (744, 24192), (756, 23808), (768, 23436), (837, 21504), (864, 20832), (868, 20736), (896, 20088), (992, 18144), (1008, 17856), (1024, 17577), (1116, 16128), (1134, 15872), (1152, 15624), (1296, 13888), (1302, 13824), (1344, 13392), (1488, 12096), (1512, 11904), (1536, 11718), (1674, 10752), (1728, 10416), (1736, 10368), (1792, 10044), (1953, 9216), (1984, 9072), (2016, 8928), (2232, 8064), (2268, 7936), (2304, 7812), (2511, 7168), (2592, 6944), (2604, 6912), (2688, 6696), (2976, 6048), (3024, 5952), (3072, 5859), (3348, 5376), (3456, 5208), (3472, 5184), (3584, 5022), (3906, 4608), (3968, 4536), (4032, 4464)]