161800218

素因数分解:

$2^1\times 3^2\times {\mathrm{8988901}}^1$

素因数の和:8988909

約数の個数: 12

約数和(自身を含む): 350567178

約数和(自身を除く): 188766960

約数列:

[1, 2, 3, 6, 9, 18, 8988901, 17977802, 26966703, 53933406, 80900109, 161800218]

約数ペア:

[(1, 161800218), (2, 80900109), (3, 53933406), (6, 26966703), (9, 17977802), (18, 8988901)]