18647793

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40627}}^1$

素因数の和:40653

約数の個数: 16

約数和(自身を含む): 29252160

約数和(自身を除く): 10604367

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40627, 121881, 365643, 690659, 1096929, 2071977, 6215931, 18647793]

約数ペア:

[(1, 18647793), (3, 6215931), (9, 2071977), (17, 1096929), (27, 690659), (51, 365643), (153, 121881), (459, 40627)]