18657304857

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13549241}}^1$

素因数の和:13549270

約数の個数: 20

約数和(自身を含む): 29510249076

約数和(自身を除く): 10852944219

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13549241, 40647723, 121943169, 230337097, 365829507, 691011291, 1097488521, 2073033873, 6219101619, 18657304857]

約数ペア:

[(1, 18657304857), (3, 6219101619), (9, 2073033873), (17, 1097488521), (27, 691011291), (51, 365829507), (81, 230337097), (153, 121943169), (459, 40647723), (1377, 13549241)]