12149180

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{919}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 25579680

約数和(自身を除く): 13430500

約数列:

[1, 2, 4, 5, 10, 20, 661, 919, 1322, 1838, 2644, 3305, 3676, 4595, 6610, 9190, 13220, 18380, 607459, 1214918, 2429836, 3037295, 6074590, 12149180]

約数ペア:

[(1, 12149180), (2, 6074590), (4, 3037295), (5, 2429836), (10, 1214918), (20, 607459), (661, 18380), (919, 13220), (1322, 9190), (1838, 6610), (2644, 4595), (3305, 3676)]