18964561

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1511}}^1$

素因数の和:1692

約数の個数: 16

約数和(自身を含む): 23804928

約数和(自身を除く): 4840367

約数列:

[1, 7, 11, 77, 163, 1141, 1511, 1793, 10577, 12551, 16621, 116347, 246293, 1724051, 2709223, 18964561]

約数ペア:

[(1, 18964561), (7, 2709223), (11, 1724051), (77, 246293), (163, 116347), (1141, 16621), (1511, 12551), (1793, 10577)]