18095991

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{929}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 24879360

約数和(自身を除く): 6783369

約数列:

[1, 3, 43, 129, 151, 453, 929, 2787, 6493, 19479, 39947, 119841, 140279, 420837, 6031997, 18095991]

約数ペア:

[(1, 18095991), (3, 6031997), (43, 420837), (129, 140279), (151, 119841), (453, 39947), (929, 19479), (2787, 6493)]