19855703

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{443}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 24011520

約数和(自身を除く): 4155817

約数列:

[1, 7, 19, 133, 337, 443, 2359, 3101, 6403, 8417, 44821, 58919, 149291, 1045037, 2836529, 19855703]

約数ペア:

[(1, 19855703), (7, 2836529), (19, 1045037), (133, 149291), (337, 58919), (443, 44821), (2359, 8417), (3101, 6403)]