19906686

素因数分解:

$2^1\times 3^2\times {\mathrm{389}}^1\times {\mathrm{2843}}^1$

素因数の和:3240

約数の個数: 24

約数和(自身を含む): 43257240

約数和(自身を除く): 23350554

約数列:

[1, 2, 3, 6, 9, 18, 389, 778, 1167, 2334, 2843, 3501, 5686, 7002, 8529, 17058, 25587, 51174, 1105927, 2211854, 3317781, 6635562, 9953343, 19906686]

約数ペア:

[(1, 19906686), (2, 9953343), (3, 6635562), (6, 3317781), (9, 2211854), (18, 1105927), (389, 51174), (778, 25587), (1167, 17058), (2334, 8529), (2843, 7002), (3501, 5686)]