18890905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9283}}^1$

素因数の和:9336

約数の個数: 16

約数和(自身を含む): 25401024

約数和(自身を除く): 6510119

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 9283, 46415, 102113, 343471, 510565, 1717355, 3778181, 18890905]

約数ペア:

[(1, 18890905), (5, 3778181), (11, 1717355), (37, 510565), (55, 343471), (185, 102113), (407, 46415), (2035, 9283)]