18120685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{577}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 23804352

約数和(自身を除く): 5683667

約数列:

[1, 5, 11, 55, 571, 577, 2855, 2885, 6281, 6347, 31405, 31735, 329467, 1647335, 3624137, 18120685]

約数ペア:

[(1, 18120685), (5, 3624137), (11, 1647335), (55, 329467), (571, 31735), (577, 31405), (2855, 6347), (2885, 6281)]