19488981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^2$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 28115136

約数和(自身を除く): 8626155

約数列:

[1, 3, 23, 41, 69, 83, 123, 249, 943, 1909, 2829, 3403, 5727, 6889, 10209, 20667, 78269, 158447, 234807, 282449, 475341, 847347, 6496327, 19488981]

約数ペア:

[(1, 19488981), (3, 6496327), (23, 847347), (41, 475341), (69, 282449), (83, 234807), (123, 158447), (249, 78269), (943, 20667), (1909, 10209), (2829, 6889), (3403, 5727)]