19528804940

素因数分解:

$2^2\times 5^1\times {\mathrm{976440247}}^1$

素因数の和:976440256

約数の個数: 12

約数和(自身を含む): 41010490416

約数和(自身を除く): 21481685476

約数列:

[1, 2, 4, 5, 10, 20, 976440247, 1952880494, 3905760988, 4882201235, 9764402470, 19528804940]

約数ペア:

[(1, 19528804940), (2, 9764402470), (4, 4882201235), (5, 3905760988), (10, 1952880494), (20, 976440247)]