19805485

素因数分解:

$5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1289}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 27244800

約数和(自身を除く): 7439315

約数列:

[1, 5, 7, 35, 439, 1289, 2195, 3073, 6445, 9023, 15365, 45115, 565871, 2829355, 3961097, 19805485]

約数ペア:

[(1, 19805485), (5, 3961097), (7, 2829355), (35, 565871), (439, 45115), (1289, 15365), (2195, 9023), (3073, 6445)]