18259574

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{557}}^1$

素因数の和:1039

約数の個数: 16

約数和(自身を含む): 28243728

約数和(自身を除く): 9984154

約数列:

[1, 2, 37, 74, 443, 557, 886, 1114, 16391, 20609, 32782, 41218, 246751, 493502, 9129787, 18259574]

約数ペア:

[(1, 18259574), (2, 9129787), (37, 493502), (74, 246751), (443, 41218), (557, 32782), (886, 20609), (1114, 16391)]