18204807

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{727}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 25788672

約数和(自身を除く): 7583865

約数列:

[1, 3, 17, 51, 491, 727, 1473, 2181, 8347, 12359, 25041, 37077, 356957, 1070871, 6068269, 18204807]

約数ペア:

[(1, 18204807), (3, 6068269), (17, 1070871), (51, 356957), (491, 37077), (727, 25041), (1473, 12359), (2181, 8347)]