18996404

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4493}}^1$

素因数の和:4655

約数の個数: 24

約数和(自身を含む): 38252928

約数和(自身を除く): 19256524

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4493, 8986, 17972, 31451, 62902, 125804, 678443, 1356886, 2713772, 4749101, 9498202, 18996404]

約数ペア:

[(1, 18996404), (2, 9498202), (4, 4749101), (7, 2713772), (14, 1356886), (28, 678443), (151, 125804), (302, 62902), (604, 31451), (1057, 17972), (2114, 8986), (4228, 4493)]