18986589

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{4657}}^1$

素因数の和:4817

約数の個数: 16

約数和(自身を含む): 28320640

約数和(自身を除く): 9334051

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 4657, 13971, 41913, 125739, 703207, 2109621, 6328863, 18986589]

約数ペア:

[(1, 18986589), (3, 6328863), (9, 2109621), (27, 703207), (151, 125739), (453, 41913), (1359, 13971), (4077, 4657)]