18809344

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2161}}^1$

素因数の和:2196

約数の個数: 40

約数和(自身を含む): 39811068

約数和(自身を除く): 21001724

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2161, 2176, 4322, 4352, 8644, 8704, 17288, 34576, 36737, 69152, 73474, 138304, 146948, 276608, 293896, 553216, 587792, 1106432, 1175584, 2351168, 4702336, 9404672, 18809344]

約数ペア:

[(1, 18809344), (2, 9404672), (4, 4702336), (8, 2351168), (16, 1175584), (17, 1106432), (32, 587792), (34, 553216), (64, 293896), (68, 276608), (128, 146948), (136, 138304), (256, 73474), (272, 69152), (512, 36737), (544, 34576), (1088, 17288), (2161, 8704), (2176, 8644), (4322, 4352)]