18640039

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 20885760

約数和(自身を除く): 2245721

約数列:

[1, 11, 73, 139, 167, 803, 1529, 1837, 10147, 12191, 23213, 111617, 134101, 255343, 1694549, 18640039]

約数ペア:

[(1, 18640039), (11, 1694549), (73, 255343), (139, 134101), (167, 111617), (803, 23213), (1529, 12191), (1837, 10147)]