18020545

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 22099392

約数和(自身を除く): 4078847

約数列:

[1, 5, 83, 173, 251, 415, 865, 1255, 14359, 20833, 43423, 71795, 104165, 217115, 3604109, 18020545]

約数ペア:

[(1, 18020545), (5, 3604109), (83, 217115), (173, 104165), (251, 71795), (415, 43423), (865, 20833), (1255, 14359)]