19726484

素因数分解:

$2^2\times {\mathrm{19}}^3\times {\mathrm{719}}^1$

素因数の和:780

約数の個数: 24

約数和(自身を含む): 36489600

約数和(自身を除く): 16763116

約数列:

[1, 2, 4, 19, 38, 76, 361, 719, 722, 1438, 1444, 2876, 6859, 13661, 13718, 27322, 27436, 54644, 259559, 519118, 1038236, 4931621, 9863242, 19726484]

約数ペア:

[(1, 19726484), (2, 9863242), (4, 4931621), (19, 1038236), (38, 519118), (76, 259559), (361, 54644), (719, 27436), (722, 27322), (1438, 13718), (1444, 13661), (2876, 6859)]