18791854

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2243}}^1$

素因数の和:2375

約数の個数: 16

約数和(自身を含む): 29082240

約数和(自身を除く): 10290386

約数列:

[1, 2, 59, 71, 118, 142, 2243, 4189, 4486, 8378, 132337, 159253, 264674, 318506, 9395927, 18791854]

約数ペア:

[(1, 18791854), (2, 9395927), (59, 318506), (71, 264674), (118, 159253), (142, 132337), (2243, 8378), (4189, 4486)]