18528950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 38301120

約数和(自身を除く): 19772170

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 110, 118, 275, 295, 550, 571, 590, 649, 1142, 1298, 1475, 2855, 2950, 3245, 5710, 6281, 6490, 12562, 14275, 16225, 28550, 31405, 32450, 33689, 62810, 67378, 157025, 168445, 314050, 336890, 370579, 741158, 842225, 1684450, 1852895, 3705790, 9264475, 18528950]

約数ペア:

[(1, 18528950), (2, 9264475), (5, 3705790), (10, 1852895), (11, 1684450), (22, 842225), (25, 741158), (50, 370579), (55, 336890), (59, 314050), (110, 168445), (118, 157025), (275, 67378), (295, 62810), (550, 33689), (571, 32450), (590, 31405), (649, 28550), (1142, 16225), (1298, 14275), (1475, 12562), (2855, 6490), (2950, 6281), (3245, 5710)]