18356789

素因数分解:

${\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{719}}^1$

素因数の和:952

約数の個数: 12

約数和(自身を含む): 20301120

約数和(自身を除く): 1944331

約数列:

[1, 11, 121, 211, 719, 2321, 7909, 25531, 86999, 151709, 1668799, 18356789]

約数ペア:

[(1, 18356789), (11, 1668799), (121, 151709), (211, 86999), (719, 25531), (2321, 7909)]