18946193

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 23256000

約数和(自身を除く): 4309807

約数列:

[1, 7, 29, 49, 67, 199, 203, 469, 1393, 1421, 1943, 3283, 5771, 9751, 13333, 13601, 40397, 93331, 95207, 282779, 386657, 653317, 2706599, 18946193]

約数ペア:

[(1, 18946193), (7, 2706599), (29, 653317), (49, 386657), (67, 282779), (199, 95207), (203, 93331), (469, 40397), (1393, 13601), (1421, 13333), (1943, 9751), (3283, 5771)]