18940218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{286973}}^1$

素因数の和:286989

約数の個数: 16

約数和(自身を含む): 41324256

約数和(自身を除く): 22384038

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 286973, 573946, 860919, 1721838, 3156703, 6313406, 9470109, 18940218]

約数ペア:

[(1, 18940218), (2, 9470109), (3, 6313406), (6, 3156703), (11, 1721838), (22, 860919), (33, 573946), (66, 286973)]