18635180

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2347}}^1$

素因数の和:2753

約数の個数: 24

約数和(自身を含む): 39249168

約数和(自身を除く): 20613988

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 2347, 3970, 4694, 7940, 9388, 11735, 23470, 46940, 931759, 1863518, 3727036, 4658795, 9317590, 18635180]

約数ペア:

[(1, 18635180), (2, 9317590), (4, 4658795), (5, 3727036), (10, 1863518), (20, 931759), (397, 46940), (794, 23470), (1588, 11735), (1985, 9388), (2347, 7940), (3970, 4694)]