19780608

素因数分解:

$2^{10}\times 3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 88

約数和(自身を含む): 54237312

約数和(自身を除く): 34456704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 137, 141, 188, 192, 256, 274, 282, 376, 384, 411, 512, 548, 564, 752, 768, 822, 1024, 1096, 1128, 1504, 1536, 1644, 2192, 2256, 3008, 3072, 3288, 4384, 4512, 6016, 6439, 6576, 8768, 9024, 12032, 12878, 13152, 17536, 18048, 19317, 24064, 25756, 26304, 35072, 36096, 38634, 48128, 51512, 52608, 70144, 72192, 77268, 103024, 105216, 140288, 144384, 154536, 206048, 210432, 309072, 412096, 420864, 618144, 824192, 1236288, 1648384, 2472576, 3296768, 4945152, 6593536, 9890304, 19780608]

約数ペア:

[(1, 19780608), (2, 9890304), (3, 6593536), (4, 4945152), (6, 3296768), (8, 2472576), (12, 1648384), (16, 1236288), (24, 824192), (32, 618144), (47, 420864), (48, 412096), (64, 309072), (94, 210432), (96, 206048), (128, 154536), (137, 144384), (141, 140288), (188, 105216), (192, 103024), (256, 77268), (274, 72192), (282, 70144), (376, 52608), (384, 51512), (411, 48128), (512, 38634), (548, 36096), (564, 35072), (752, 26304), (768, 25756), (822, 24064), (1024, 19317), (1096, 18048), (1128, 17536), (1504, 13152), (1536, 12878), (1644, 12032), (2192, 9024), (2256, 8768), (3008, 6576), (3072, 6439), (3288, 6016), (4384, 4512)]