18704398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11447}}^1$

素因数の和:11511

約数の個数: 16

約数和(自身を含む): 30222720

約数和(自身を除く): 11518322

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 11447, 22894, 217493, 434986, 492221, 984442, 9352199, 18704398]

約数ペア:

[(1, 18704398), (2, 9352199), (19, 984442), (38, 492221), (43, 434986), (86, 217493), (817, 22894), (1634, 11447)]