18972022

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 28979712

約数和(自身を除く): 10007690

約数列:

[1, 2, 113, 127, 226, 254, 661, 1322, 14351, 28702, 74693, 83947, 149386, 167894, 9486011, 18972022]

約数ペア:

[(1, 18972022), (2, 9486011), (113, 167894), (127, 149386), (226, 83947), (254, 74693), (661, 28702), (1322, 14351)]