19726143

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2503}}^1$

素因数の和:2614

約数の個数: 16

約数和(自身を含む): 27403776

約数和(自身を除く): 7677633

約数列:

[1, 3, 37, 71, 111, 213, 2503, 2627, 7509, 7881, 92611, 177713, 277833, 533139, 6575381, 19726143]

約数ペア:

[(1, 19726143), (3, 6575381), (37, 533139), (71, 277833), (111, 177713), (213, 92611), (2503, 7881), (2627, 7509)]