18703993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{541}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 23414400

約数和(自身を除く): 4710407

約数列:

[1, 7, 11, 77, 449, 541, 3143, 3787, 4939, 5951, 34573, 41657, 242909, 1700363, 2671999, 18703993]

約数ペア:

[(1, 18703993), (7, 2671999), (11, 1700363), (77, 242909), (449, 41657), (541, 34573), (3143, 5951), (3787, 4939)]