18812185

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28289}}^1$

素因数の和:28320

約数の個数: 16

約数和(自身を含む): 27158400

約数和(自身を除く): 8346215

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 28289, 141445, 198023, 537491, 990115, 2687455, 3762437, 18812185]

約数ペア:

[(1, 18812185), (5, 3762437), (7, 2687455), (19, 990115), (35, 537491), (95, 198023), (133, 141445), (665, 28289)]