19892690

素因数分解:

$2^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2371}}^1$

素因数の和:3217

約数の個数: 16

約数和(自身を含む): 35864640

約数和(自身を除く): 15971950

約数列:

[1, 2, 5, 10, 839, 1678, 2371, 4195, 4742, 8390, 11855, 23710, 1989269, 3978538, 9946345, 19892690]

約数ペア:

[(1, 19892690), (2, 9946345), (5, 3978538), (10, 1989269), (839, 23710), (1678, 11855), (2371, 8390), (4195, 4742)]