18243325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 24056000

約数和(自身を除く): 5812675

約数列:

[1, 5, 19, 25, 95, 193, 199, 475, 965, 995, 3667, 3781, 4825, 4975, 18335, 18905, 38407, 91675, 94525, 192035, 729733, 960175, 3648665, 18243325]

約数ペア:

[(1, 18243325), (5, 3648665), (19, 960175), (25, 729733), (95, 192035), (193, 94525), (199, 91675), (475, 38407), (965, 18905), (995, 18335), (3667, 4975), (3781, 4825)]