19291390

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3929}}^1$

素因数の和:4427

約数の個数: 16

約数和(自身を含む): 34804080

約数和(自身を除く): 15512690

約数列:

[1, 2, 5, 10, 491, 982, 2455, 3929, 4910, 7858, 19645, 39290, 1929139, 3858278, 9645695, 19291390]

約数ペア:

[(1, 19291390), (2, 9645695), (5, 3858278), (10, 1929139), (491, 39290), (982, 19645), (2455, 7858), (3929, 4910)]