18693863

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 1834777

約数列:

[1, 17, 43, 107, 239, 731, 1819, 4063, 4601, 10277, 25573, 78217, 174709, 434741, 1099639, 18693863]

約数ペア:

[(1, 18693863), (17, 1099639), (43, 434741), (107, 174709), (239, 78217), (731, 25573), (1819, 10277), (4063, 4601)]