19754019

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 29298672

約数和(自身を除く): 9544653

約数列:

[1, 3, 9, 73, 107, 219, 281, 321, 657, 843, 963, 2529, 7811, 20513, 23433, 30067, 61539, 70299, 90201, 184617, 270603, 2194891, 6584673, 19754019]

約数ペア:

[(1, 19754019), (3, 6584673), (9, 2194891), (73, 270603), (107, 184617), (219, 90201), (281, 70299), (321, 61539), (657, 30067), (843, 23433), (963, 20513), (2529, 7811)]