19942204

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 35925120

約数和(自身を除く): 15982916

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 436, 863, 1726, 3452, 5777, 11554, 23108, 45739, 91478, 94067, 182956, 188134, 376268, 4985551, 9971102, 19942204]

約数ペア:

[(1, 19942204), (2, 9971102), (4, 4985551), (53, 376268), (106, 188134), (109, 182956), (212, 94067), (218, 91478), (436, 45739), (863, 23108), (1726, 11554), (3452, 5777)]