19099025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 26040000

約数和(自身を除く): 6940975

約数列:

[1, 5, 11, 25, 55, 199, 275, 349, 995, 1745, 2189, 3839, 4975, 8725, 10945, 19195, 54725, 69451, 95975, 347255, 763961, 1736275, 3819805, 19099025]

約数ペア:

[(1, 19099025), (5, 3819805), (11, 1736275), (25, 763961), (55, 347255), (199, 95975), (275, 69451), (349, 54725), (995, 19195), (1745, 10945), (2189, 8725), (3839, 4975)]