19966107

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17939}}^1$

素因数の和:18002

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 11034213

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17939, 53817, 125573, 376719, 950767, 2852301, 6655369, 19966107]

約数ペア:

[(1, 19966107), (3, 6655369), (7, 2852301), (21, 950767), (53, 376719), (159, 125573), (371, 53817), (1113, 17939)]