18893820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28627}}^1$

素因数の和:28650

約数の個数: 48

約数和(自身を含む): 57714048

約数和(自身を除く): 38820228

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28627, 57254, 85881, 114508, 143135, 171762, 286270, 314897, 343524, 429405, 572540, 629794, 858810, 944691, 1259588, 1574485, 1717620, 1889382, 3148970, 3778764, 4723455, 6297940, 9446910, 18893820]

約数ペア:

[(1, 18893820), (2, 9446910), (3, 6297940), (4, 4723455), (5, 3778764), (6, 3148970), (10, 1889382), (11, 1717620), (12, 1574485), (15, 1259588), (20, 944691), (22, 858810), (30, 629794), (33, 572540), (44, 429405), (55, 343524), (60, 314897), (66, 286270), (110, 171762), (132, 143135), (165, 114508), (220, 85881), (330, 57254), (660, 28627)]