18178218

素因数分解:

$2^1\times 3^2\times {\mathrm{1009901}}^1$

素因数の和:1009909

約数の個数: 12

約数和(自身を含む): 39386178

約数和(自身を除く): 21207960

約数列:

[1, 2, 3, 6, 9, 18, 1009901, 2019802, 3029703, 6059406, 9089109, 18178218]

約数ペア:

[(1, 18178218), (2, 9089109), (3, 6059406), (6, 3029703), (9, 2019802), (18, 1009901)]