18572193

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{22189}}^1$

素因数の和:22229

約数の個数: 16

約数和(自身を含む): 28403200

約数和(自身を除く): 9831007

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 22189, 66567, 199701, 599103, 687859, 2063577, 6190731, 18572193]

約数ペア:

[(1, 18572193), (3, 6190731), (9, 2063577), (27, 687859), (31, 599103), (93, 199701), (279, 66567), (837, 22189)]