19770892

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{691}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 36271872

約数和(自身を除く): 16500980

約数列:

[1, 2, 4, 23, 46, 92, 311, 622, 691, 1244, 1382, 2764, 7153, 14306, 15893, 28612, 31786, 63572, 214901, 429802, 859604, 4942723, 9885446, 19770892]

約数ペア:

[(1, 19770892), (2, 9885446), (4, 4942723), (23, 859604), (46, 429802), (92, 214901), (311, 63572), (622, 31786), (691, 28612), (1244, 15893), (1382, 14306), (2764, 7153)]