18113975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 24700800

約数和(自身を除く): 6586825

約数列:

[1, 5, 11, 25, 55, 199, 275, 331, 995, 1655, 2189, 3641, 4975, 8275, 10945, 18205, 54725, 65869, 91025, 329345, 724559, 1646725, 3622795, 18113975]

約数ペア:

[(1, 18113975), (5, 3622795), (11, 1646725), (25, 724559), (55, 329345), (199, 91025), (275, 65869), (331, 54725), (995, 18205), (1655, 10945), (2189, 8275), (3641, 4975)]