19729672

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{4903}}^1$

素因数の和:5412

約数の個数: 16

約数和(自身を含む): 37074240

約数和(自身を除く): 17344568

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 4903, 9806, 19612, 39224, 2466209, 4932418, 9864836, 19729672]

約数ペア:

[(1, 19729672), (2, 9864836), (4, 4932418), (8, 2466209), (503, 39224), (1006, 19612), (2012, 9806), (4024, 4903)]