188974180

素因数分解:

$2^2\times 5^1\times {\mathrm{2411}}^1\times {\mathrm{3919}}^1$

素因数の和:6339

約数の個数: 24

約数和(自身を含む): 397111680

約数和(自身を除く): 208137500

約数列:

[1, 2, 4, 5, 10, 20, 2411, 3919, 4822, 7838, 9644, 12055, 15676, 19595, 24110, 39190, 48220, 78380, 9448709, 18897418, 37794836, 47243545, 94487090, 188974180]

約数ペア:

[(1, 188974180), (2, 94487090), (4, 47243545), (5, 37794836), (10, 18897418), (20, 9448709), (2411, 78380), (3919, 48220), (4822, 39190), (7838, 24110), (9644, 19595), (12055, 15676)]