18765526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9887}}^1$

素因数の和:9975

約数の個数: 16

約数和(自身を含む): 30731904

約数和(自身を除く): 11966378

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 9887, 19774, 128531, 257062, 721751, 1443502, 9382763, 18765526]

約数ペア:

[(1, 18765526), (2, 9382763), (13, 1443502), (26, 721751), (73, 257062), (146, 128531), (949, 19774), (1898, 9887)]