18956850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{11489}}^1$

素因数の和:11515

約数の個数: 48

約数和(自身を含む): 51291360

約数和(自身を除く): 32334510

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 11489, 22978, 34467, 57445, 68934, 114890, 126379, 172335, 252758, 287225, 344670, 379137, 574450, 631895, 758274, 861675, 1263790, 1723350, 1895685, 3159475, 3791370, 6318950, 9478425, 18956850]

約数ペア:

[(1, 18956850), (2, 9478425), (3, 6318950), (5, 3791370), (6, 3159475), (10, 1895685), (11, 1723350), (15, 1263790), (22, 861675), (25, 758274), (30, 631895), (33, 574450), (50, 379137), (55, 344670), (66, 287225), (75, 252758), (110, 172335), (150, 126379), (165, 114890), (275, 68934), (330, 57445), (550, 34467), (825, 22978), (1650, 11489)]