19961856

素因数分解:

$2^{11}\times 3^3\times {\mathrm{19}}^2$

素因数の和:69

約数の個数: 144

約数和(自身を含む): 62407800

約数和(自身を除く): 42445944

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, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 256, 288, 304, 342, 361, 384, 432, 456, 512, 513, 576, 608, 684, 722, 768, 864, 912, 1024, 1026, 1083, 1152, 1216, 1368, 1444, 1536, 1728, 1824, 2048, 2052, 2166, 2304, 2432, 2736, 2888, 3072, 3249, 3456, 3648, 4104, 4332, 4608, 4864, 5472, 5776, 6144, 6498, 6912, 7296, 8208, 8664, 9216, 9728, 9747, 10944, 11552, 12996, 13824, 14592, 16416, 17328, 18432, 19456, 19494, 21888, 23104, 25992, 27648, 29184, 32832, 34656, 38912, 38988, 43776, 46208, 51984, 55296, 58368, 65664, 69312, 77976, 87552, 92416, 103968, 116736, 131328, 138624, 155952, 175104, 184832, 207936, 262656, 277248, 311904, 350208, 369664, 415872, 525312, 554496, 623808, 739328, 831744, 1050624, 1108992, 1247616, 1663488, 2217984, 2495232, 3326976, 4990464, 6653952, 9980928, 19961856]

約数ペア:

[(1, 19961856), (2, 9980928), (3, 6653952), (4, 4990464), (6, 3326976), (8, 2495232), (9, 2217984), (12, 1663488), (16, 1247616), (18, 1108992), (19, 1050624), (24, 831744), (27, 739328), (32, 623808), (36, 554496), (38, 525312), (48, 415872), (54, 369664), (57, 350208), (64, 311904), (72, 277248), (76, 262656), (96, 207936), (108, 184832), (114, 175104), (128, 155952), (144, 138624), (152, 131328), (171, 116736), (192, 103968), (216, 92416), (228, 87552), (256, 77976), (288, 69312), (304, 65664), (342, 58368), (361, 55296), (384, 51984), (432, 46208), (456, 43776), (512, 38988), (513, 38912), (576, 34656), (608, 32832), (684, 29184), (722, 27648), (768, 25992), (864, 23104), (912, 21888), (1024, 19494), (1026, 19456), (1083, 18432), (1152, 17328), (1216, 16416), (1368, 14592), (1444, 13824), (1536, 12996), (1728, 11552), (1824, 10944), (2048, 9747), (2052, 9728), (2166, 9216), (2304, 8664), (2432, 8208), (2736, 7296), (2888, 6912), (3072, 6498), (3249, 6144), (3456, 5776), (3648, 5472), (4104, 4864), (4332, 4608)]