18047986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43177}}^1$

素因数の和:43209

約数の個数: 16

約数和(自身を含む): 31088160

約数和(自身を除く): 13040174

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43177, 86354, 474947, 820363, 949894, 1640726, 9023993, 18047986]

約数ペア:

[(1, 18047986), (2, 9023993), (11, 1640726), (19, 949894), (22, 820363), (38, 474947), (209, 86354), (418, 43177)]