18220218

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{70621}}^1$

素因数の和:70669

約数の個数: 16

約数和(自身を含む): 37288416

約数和(自身を除く): 19068198

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 70621, 141242, 211863, 423726, 3036703, 6073406, 9110109, 18220218]

約数ペア:

[(1, 18220218), (2, 9110109), (3, 6073406), (6, 3036703), (43, 423726), (86, 211863), (129, 141242), (258, 70621)]