18658708

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{7057}}^1$

素因数の和:7722

約数の個数: 12

約数和(自身を含む): 32706772

約数和(自身を除く): 14048064

約数列:

[1, 2, 4, 661, 1322, 2644, 7057, 14114, 28228, 4664677, 9329354, 18658708]

約数ペア:

[(1, 18658708), (2, 9329354), (4, 4664677), (661, 28228), (1322, 14114), (2644, 7057)]