19054220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5507}}^1$

素因数の和:5689

約数の個数: 24

約数和(自身を含む): 40252464

約数和(自身を除く): 21198244

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5507, 11014, 22028, 27535, 55070, 110140, 952711, 1905422, 3810844, 4763555, 9527110, 19054220]

約数ペア:

[(1, 19054220), (2, 9527110), (4, 4763555), (5, 3810844), (10, 1905422), (20, 952711), (173, 110140), (346, 55070), (692, 27535), (865, 22028), (1730, 11014), (3460, 5507)]