19860064

素因数分解:

$2^5\times 7^1\times {\mathrm{88661}}^1$

素因数の和:88678

約数の個数: 24

約数和(自身を含む): 44685648

約数和(自身を除く): 24825584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 88661, 177322, 354644, 620627, 709288, 1241254, 1418576, 2482508, 2837152, 4965016, 9930032, 19860064]

約数ペア:

[(1, 19860064), (2, 9930032), (4, 4965016), (7, 2837152), (8, 2482508), (14, 1418576), (16, 1241254), (28, 709288), (32, 620627), (56, 354644), (112, 177322), (224, 88661)]