18668757

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1543}}^1$

素因数の和:1692

約数の個数: 16

約数和(自身を含む): 25815680

約数和(自身を除く): 7146923

約数列:

[1, 3, 37, 109, 111, 327, 1543, 4033, 4629, 12099, 57091, 168187, 171273, 504561, 6222919, 18668757]

約数ペア:

[(1, 18668757), (3, 6222919), (37, 504561), (109, 171273), (111, 168187), (327, 57091), (1543, 12099), (4033, 4629)]