18911232

素因数分解:

$2^{12}\times 3^5\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 156

約数和(自身を含む): 59630480

約数和(自身を除く): 40719248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 81, 96, 108, 114, 128, 144, 152, 162, 171, 192, 216, 228, 243, 256, 288, 304, 324, 342, 384, 432, 456, 486, 512, 513, 576, 608, 648, 684, 768, 864, 912, 972, 1024, 1026, 1152, 1216, 1296, 1368, 1536, 1539, 1728, 1824, 1944, 2048, 2052, 2304, 2432, 2592, 2736, 3072, 3078, 3456, 3648, 3888, 4096, 4104, 4608, 4617, 4864, 5184, 5472, 6144, 6156, 6912, 7296, 7776, 8208, 9216, 9234, 9728, 10368, 10944, 12288, 12312, 13824, 14592, 15552, 16416, 18432, 18468, 19456, 20736, 21888, 24624, 27648, 29184, 31104, 32832, 36864, 36936, 38912, 41472, 43776, 49248, 55296, 58368, 62208, 65664, 73872, 77824, 82944, 87552, 98496, 110592, 116736, 124416, 131328, 147744, 165888, 175104, 196992, 233472, 248832, 262656, 295488, 331776, 350208, 393984, 497664, 525312, 590976, 700416, 787968, 995328, 1050624, 1181952, 1575936, 2101248, 2363904, 3151872, 4727808, 6303744, 9455616, 18911232]

約数ペア:

[(1, 18911232), (2, 9455616), (3, 6303744), (4, 4727808), (6, 3151872), (8, 2363904), (9, 2101248), (12, 1575936), (16, 1181952), (18, 1050624), (19, 995328), (24, 787968), (27, 700416), (32, 590976), (36, 525312), (38, 497664), (48, 393984), (54, 350208), (57, 331776), (64, 295488), (72, 262656), (76, 248832), (81, 233472), (96, 196992), (108, 175104), (114, 165888), (128, 147744), (144, 131328), (152, 124416), (162, 116736), (171, 110592), (192, 98496), (216, 87552), (228, 82944), (243, 77824), (256, 73872), (288, 65664), (304, 62208), (324, 58368), (342, 55296), (384, 49248), (432, 43776), (456, 41472), (486, 38912), (512, 36936), (513, 36864), (576, 32832), (608, 31104), (648, 29184), (684, 27648), (768, 24624), (864, 21888), (912, 20736), (972, 19456), (1024, 18468), (1026, 18432), (1152, 16416), (1216, 15552), (1296, 14592), (1368, 13824), (1536, 12312), (1539, 12288), (1728, 10944), (1824, 10368), (1944, 9728), (2048, 9234), (2052, 9216), (2304, 8208), (2432, 7776), (2592, 7296), (2736, 6912), (3072, 6156), (3078, 6144), (3456, 5472), (3648, 5184), (3888, 4864), (4096, 4617), (4104, 4608)]