1999004821

素因数分解:

${\mathrm{11}}^2\times {\mathrm{1049}}^1\times {\mathrm{15749}}^1$

素因数の和:16820

約数の個数: 12

約数和(自身を含む): 2199487500

約数和(自身を除く): 200482679

約数列:

[1, 11, 121, 1049, 11539, 15749, 126929, 173239, 1905629, 16520701, 181727711, 1999004821]

約数ペア:

[(1, 1999004821), (11, 181727711), (121, 16520701), (1049, 1905629), (11539, 173239), (15749, 126929)]