19783438

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{757}}^1$

素因数の和:1011

約数の個数: 16

約数和(自身を含む): 30289680

約数和(自身を除く): 10506242

約数列:

[1, 2, 73, 146, 179, 358, 757, 1514, 13067, 26134, 55261, 110522, 135503, 271006, 9891719, 19783438]

約数ペア:

[(1, 19783438), (2, 9891719), (73, 271006), (146, 135503), (179, 110522), (358, 55261), (757, 26134), (1514, 13067)]