18078958

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:891

約数の個数: 16

約数和(自身を含む): 27624960

約数和(自身を除く): 9546002

約数列:

[1, 2, 109, 127, 218, 254, 653, 1306, 13843, 27686, 71177, 82931, 142354, 165862, 9039479, 18078958]

約数ペア:

[(1, 18078958), (2, 9039479), (109, 165862), (127, 142354), (218, 82931), (254, 71177), (653, 27686), (1306, 13843)]