12349780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19919}}^1$

素因数の和:19959

約数の個数: 24

約数和(自身を含む): 26772480

約数和(自身を除く): 14422700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19919, 39838, 79676, 99595, 199190, 398380, 617489, 1234978, 2469956, 3087445, 6174890, 12349780]

約数ペア:

[(1, 12349780), (2, 6174890), (4, 3087445), (5, 2469956), (10, 1234978), (20, 617489), (31, 398380), (62, 199190), (124, 99595), (155, 79676), (310, 39838), (620, 19919)]