19194220

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1723}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 40403664

約数和(自身を除く): 21209444

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1723, 2228, 2785, 3446, 5570, 6892, 8615, 11140, 17230, 34460, 959711, 1919422, 3838844, 4798555, 9597110, 19194220]

約数ペア:

[(1, 19194220), (2, 9597110), (4, 4798555), (5, 3838844), (10, 1919422), (20, 959711), (557, 34460), (1114, 17230), (1723, 11140), (2228, 8615), (2785, 6892), (3446, 5570)]