18446380

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2371}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 38853360

約数和(自身を除く): 20406980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 2371, 3890, 4742, 7780, 9484, 11855, 23710, 47420, 922319, 1844638, 3689276, 4611595, 9223190, 18446380]

約数ペア:

[(1, 18446380), (2, 9223190), (4, 4611595), (5, 3689276), (10, 1844638), (20, 922319), (389, 47420), (778, 23710), (1556, 11855), (1945, 9484), (2371, 7780), (3890, 4742)]