18469971

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 29816640

約数和(自身を除く): 11346669

約数列:

[1, 3, 9, 13, 27, 39, 101, 117, 303, 351, 521, 909, 1313, 1563, 2727, 3939, 4689, 6773, 11817, 14067, 20319, 35451, 52621, 60957, 157863, 182871, 473589, 684073, 1420767, 2052219, 6156657, 18469971]

約数ペア:

[(1, 18469971), (3, 6156657), (9, 2052219), (13, 1420767), (27, 684073), (39, 473589), (101, 182871), (117, 157863), (303, 60957), (351, 52621), (521, 35451), (909, 20319), (1313, 14067), (1563, 11817), (2727, 6773), (3939, 4689)]