18944185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7877}}^1$

素因数の和:7932

約数の個数: 16

約数和(自身を含む): 25146576

約数和(自身を除く): 6202391

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 7877, 39385, 102401, 291449, 512005, 1457245, 3788837, 18944185]

約数ペア:

[(1, 18944185), (5, 3788837), (13, 1457245), (37, 512005), (65, 291449), (185, 102401), (481, 39385), (2405, 7877)]