19995208

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60961}}^1$

素因数の和:61008

約数の個数: 16

約数和(自身を含む): 38406060

約数和(自身を除く): 18410852

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60961, 121922, 243844, 487688, 2499401, 4998802, 9997604, 19995208]

約数ペア:

[(1, 19995208), (2, 9997604), (4, 4998802), (8, 2499401), (41, 487688), (82, 243844), (164, 121922), (328, 60961)]