18703972

素因数分解:

$2^2\times 7^1\times {\mathrm{667999}}^1$

素因数の和:668010

約数の個数: 12

約数和(自身を含む): 37408000

約数和(自身を除く): 18704028

約数列:

[1, 2, 4, 7, 14, 28, 667999, 1335998, 2671996, 4675993, 9351986, 18703972]

約数ペア:

[(1, 18703972), (2, 9351986), (4, 4675993), (7, 2671996), (14, 1335998), (28, 667999)]