19647564

素因数分解:

$2^2\times 3^1\times {\mathrm{661}}^1\times {\mathrm{2477}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 45932208

約数和(自身を除く): 26284644

約数列:

[1, 2, 3, 4, 6, 12, 661, 1322, 1983, 2477, 2644, 3966, 4954, 7431, 7932, 9908, 14862, 29724, 1637297, 3274594, 4911891, 6549188, 9823782, 19647564]

約数ペア:

[(1, 19647564), (2, 9823782), (3, 6549188), (4, 4911891), (6, 3274594), (12, 1637297), (661, 29724), (1322, 14862), (1983, 9908), (2477, 7932), (2644, 7431), (3966, 4954)]