18547039

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{2351}}^1$

素因数の和:2395

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 4032161

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2351, 7889, 16457, 54073, 115199, 378511, 806393, 2649577, 18547039]

約数ペア:

[(1, 18547039), (7, 2649577), (23, 806393), (49, 378511), (161, 115199), (343, 54073), (1127, 16457), (2351, 7889)]