18812750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6841}}^1$

素因数の和:6869

約数の個数: 32

約数和(自身を含む): 38424672

約数和(自身を除く): 19611922

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 6841, 13682, 34205, 68410, 75251, 150502, 171025, 342050, 376255, 752510, 855125, 1710250, 1881275, 3762550, 9406375, 18812750]

約数ペア:

[(1, 18812750), (2, 9406375), (5, 3762550), (10, 1881275), (11, 1710250), (22, 855125), (25, 752510), (50, 376255), (55, 342050), (110, 171025), (125, 150502), (250, 75251), (275, 68410), (550, 34205), (1375, 13682), (2750, 6841)]