19166019

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 26244000

約数和(自身を除く): 7077981

約数列:

[1, 3, 53, 149, 159, 447, 809, 2427, 7897, 23691, 42877, 120541, 128631, 361623, 6388673, 19166019]

約数ペア:

[(1, 19166019), (3, 6388673), (53, 361623), (149, 128631), (159, 120541), (447, 42877), (809, 23691), (2427, 7897)]