19902638

素因数分解:

$2^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{1621}}^1$

素因数の和:2507

約数の個数: 16

約数和(自身を含む): 34178784

約数和(自身を除く): 14276146

約数列:

[1, 2, 7, 14, 877, 1621, 1754, 3242, 6139, 11347, 12278, 22694, 1421617, 2843234, 9951319, 19902638]

約数ペア:

[(1, 19902638), (2, 9951319), (7, 2843234), (14, 1421617), (877, 22694), (1621, 12278), (1754, 11347), (3242, 6139)]