18808765

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5351}}^1$

素因数の和:5412

約数の個数: 16

約数和(自身を含む): 24405120

約数和(自身を除く): 5596355

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 5351, 26755, 101669, 197987, 508345, 989935, 3761753, 18808765]

約数ペア:

[(1, 18808765), (5, 3761753), (19, 989935), (37, 508345), (95, 197987), (185, 101669), (703, 26755), (3515, 5351)]