1998686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:523

約数の個数: 16

約数和(自身を含む): 3186000

約数和(自身を除く): 1187314

約数列:

[1, 2, 19, 38, 149, 298, 353, 706, 2831, 5662, 6707, 13414, 52597, 105194, 999343, 1998686]

約数ペア:

[(1, 1998686), (2, 999343), (19, 105194), (38, 52597), (149, 13414), (298, 6707), (353, 5662), (706, 2831)]