19937487

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3389}}^1$

素因数の和:3482

約数の個数: 16

約数和(自身を含む): 27825120

約数和(自身を除く): 7887633

約数列:

[1, 3, 37, 53, 111, 159, 1961, 3389, 5883, 10167, 125393, 179617, 376179, 538851, 6645829, 19937487]

約数ペア:

[(1, 19937487), (3, 6645829), (37, 538851), (53, 376179), (111, 179617), (159, 125393), (1961, 10167), (3389, 5883)]