18864315

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9749}}^1$

素因数の和:9803

約数の個数: 24

約数和(自身を含む): 33462000

約数和(自身を除く): 14597685

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9749, 29247, 48745, 87741, 146235, 419207, 438705, 1257621, 2096035, 3772863, 6288105, 18864315]

約数ペア:

[(1, 18864315), (3, 6288105), (5, 3772863), (9, 2096035), (15, 1257621), (43, 438705), (45, 419207), (129, 146235), (215, 87741), (387, 48745), (645, 29247), (1935, 9749)]