19788190

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2791}}^1$

素因数の和:3507

約数の個数: 16

約数和(自身を含む): 35681760

約数和(自身を除く): 15893570

約数列:

[1, 2, 5, 10, 709, 1418, 2791, 3545, 5582, 7090, 13955, 27910, 1978819, 3957638, 9894095, 19788190]

約数ペア:

[(1, 19788190), (2, 9894095), (5, 3957638), (10, 1978819), (709, 27910), (1418, 13955), (2791, 7090), (3545, 5582)]