19434805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8081}}^1$

素因数の和:8136

約数の個数: 16

約数和(自身を含む): 25797744

約数和(自身を除く): 6362939

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 8081, 40405, 105053, 298997, 525265, 1494985, 3886961, 19434805]

約数ペア:

[(1, 19434805), (5, 3886961), (13, 1494985), (37, 525265), (65, 298997), (185, 105053), (481, 40405), (2405, 8081)]