19039804

素因数分解:

$2^2\times 7^1\times {\mathrm{679993}}^1$

素因数の和:680004

約数の個数: 12

約数和(自身を含む): 38079664

約数和(自身を除く): 19039860

約数列:

[1, 2, 4, 7, 14, 28, 679993, 1359986, 2719972, 4759951, 9519902, 19039804]

約数ペア:

[(1, 19039804), (2, 9519902), (4, 4759951), (7, 2719972), (14, 1359986), (28, 679993)]