18555779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 21441024

約数和(自身を除く): 2885245

約数列:

[1, 11, 23, 71, 253, 781, 1033, 1633, 11363, 17963, 23759, 73343, 261349, 806773, 1686889, 18555779]

約数ペア:

[(1, 18555779), (11, 1686889), (23, 806773), (71, 261349), (253, 73343), (781, 23759), (1033, 17963), (1633, 11363)]