19788958

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{7103}}^1$

素因数の和:7311

約数の個数: 16

約数和(自身を含む): 34099200

約数和(自身を除く): 14310242

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 7103, 14206, 49721, 99442, 1413497, 2826994, 9894479, 19788958]

約数ペア:

[(1, 19788958), (2, 9894479), (7, 2826994), (14, 1413497), (199, 99442), (398, 49721), (1393, 14206), (2786, 7103)]