18888760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42929}}^1$

素因数の和:42951

約数の個数: 32

約数和(自身を含む): 46364400

約数和(自身を除く): 27475640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42929, 85858, 171716, 214645, 343432, 429290, 472219, 858580, 944438, 1717160, 1888876, 2361095, 3777752, 4722190, 9444380, 18888760]

約数ペア:

[(1, 18888760), (2, 9444380), (4, 4722190), (5, 3777752), (8, 2361095), (10, 1888876), (11, 1717160), (20, 944438), (22, 858580), (40, 472219), (44, 429290), (55, 343432), (88, 214645), (110, 171716), (220, 85858), (440, 42929)]