18711291

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{733}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 25554944

約数和(自身を除く): 6843653

約数列:

[1, 3, 67, 127, 201, 381, 733, 2199, 8509, 25527, 49111, 93091, 147333, 279273, 6237097, 18711291]

約数ペア:

[(1, 18711291), (3, 6237097), (67, 279273), (127, 147333), (201, 93091), (381, 49111), (733, 25527), (2199, 8509)]