2018709872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6640493}}^1$

素因数の和:6640520

約数の個数: 20

約数和(自身を含む): 4117106280

約数和(自身を除く): 2098396408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6640493, 13280986, 26561972, 53123944, 106247888, 126169367, 252338734, 504677468, 1009354936, 2018709872]

約数ペア:

[(1, 2018709872), (2, 1009354936), (4, 504677468), (8, 252338734), (16, 126169367), (19, 106247888), (38, 53123944), (76, 26561972), (152, 13280986), (304, 6640493)]