19787908

素因数分解:

$2^2\times 7^1\times {\mathrm{769}}^1\times {\mathrm{919}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 39670400

約数和(自身を除く): 19882492

約数列:

[1, 2, 4, 7, 14, 28, 769, 919, 1538, 1838, 3076, 3676, 5383, 6433, 10766, 12866, 21532, 25732, 706711, 1413422, 2826844, 4946977, 9893954, 19787908]

約数ペア:

[(1, 19787908), (2, 9893954), (4, 4946977), (7, 2826844), (14, 1413422), (28, 706711), (769, 25732), (919, 21532), (1538, 12866), (1838, 10766), (3076, 6433), (3676, 5383)]