18890793

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5107}}^1$

素因数の和:5253

約数の個数: 16

約数和(自身を含む): 28196160

約数和(自身を除く): 9305367

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5107, 15321, 45963, 137889, 699659, 2098977, 6296931, 18890793]

約数ペア:

[(1, 18890793), (3, 6296931), (9, 2098977), (27, 699659), (137, 137889), (411, 45963), (1233, 15321), (3699, 5107)]