12921682165

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19431101}}^1$

素因数の和:19431132

約数の個数: 16

約数和(自身を含む): 18653857920

約数和(自身を除く): 5732175755

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 19431101, 97155505, 136017707, 369190919, 680088535, 1845954595, 2584336433, 12921682165]

約数ペア:

[(1, 12921682165), (5, 2584336433), (7, 1845954595), (19, 680088535), (35, 369190919), (95, 136017707), (133, 97155505), (665, 19431101)]