18775889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1579}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 21841920

約数和(自身を除く): 3066031

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1579, 11891, 17369, 36317, 74213, 399487, 816343, 1706899, 18775889]

約数ペア:

[(1, 18775889), (11, 1706899), (23, 816343), (47, 399487), (253, 74213), (517, 36317), (1081, 17369), (1579, 11891)]