18090735

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 31485888

約数和(自身を除く): 13395153

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 821, 1469, 1695, 2463, 4105, 4407, 7345, 10673, 12315, 22035, 32019, 53365, 92773, 160095, 278319, 463865, 1206049, 1391595, 3618147, 6030245, 18090735]

約数ペア:

[(1, 18090735), (3, 6030245), (5, 3618147), (13, 1391595), (15, 1206049), (39, 463865), (65, 278319), (113, 160095), (195, 92773), (339, 53365), (565, 32019), (821, 22035), (1469, 12315), (1695, 10673), (2463, 7345), (4105, 4407)]