18691105

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 23376384

約数和(自身を除く): 4685279

約数列:

[1, 5, 37, 71, 185, 355, 1423, 2627, 7115, 13135, 52651, 101033, 263255, 505165, 3738221, 18691105]

約数ペア:

[(1, 18691105), (5, 3738221), (37, 505165), (71, 263255), (185, 101033), (355, 52651), (1423, 13135), (2627, 7115)]