19990010

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{37717}}^1$

素因数の和:37777

約数の個数: 16

約数和(自身を含む): 36661896

約数和(自身を除く): 16671886

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 37717, 75434, 188585, 377170, 1999001, 3998002, 9995005, 19990010]

約数ペア:

[(1, 19990010), (2, 9995005), (5, 3998002), (10, 1999001), (53, 377170), (106, 188585), (265, 75434), (530, 37717)]