18947648

素因数分解:

$2^6\times {\mathrm{137}}^1\times {\mathrm{2161}}^1$

素因数の和:2310

約数の個数: 28

約数和(自身を含む): 37891212

約数和(自身を除く): 18943564

約数列:

[1, 2, 4, 8, 16, 32, 64, 137, 274, 548, 1096, 2161, 2192, 4322, 4384, 8644, 8768, 17288, 34576, 69152, 138304, 296057, 592114, 1184228, 2368456, 4736912, 9473824, 18947648]

約数ペア:

[(1, 18947648), (2, 9473824), (4, 4736912), (8, 2368456), (16, 1184228), (32, 592114), (64, 296057), (137, 138304), (274, 69152), (548, 34576), (1096, 17288), (2161, 8768), (2192, 8644), (4322, 4384)]