19780764

素因数分解:

$2^2\times 3^1\times {\mathrm{619}}^1\times {\mathrm{2663}}^1$

素因数の和:3289

約数の個数: 24

約数和(自身を含む): 46247040

約数和(自身を除く): 26466276

約数列:

[1, 2, 3, 4, 6, 12, 619, 1238, 1857, 2476, 2663, 3714, 5326, 7428, 7989, 10652, 15978, 31956, 1648397, 3296794, 4945191, 6593588, 9890382, 19780764]

約数ペア:

[(1, 19780764), (2, 9890382), (3, 6593588), (4, 4945191), (6, 3296794), (12, 1648397), (619, 31956), (1238, 15978), (1857, 10652), (2476, 7989), (2663, 7428), (3714, 5326)]