19585852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 40797792

約数和(自身を除く): 21211940

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 97, 143, 194, 286, 353, 388, 572, 706, 1067, 1261, 1412, 2134, 2522, 3883, 4268, 4589, 5044, 7766, 9178, 13871, 15532, 18356, 27742, 34241, 50479, 55484, 68482, 100958, 136964, 201916, 376651, 445133, 753302, 890266, 1506604, 1780532, 4896463, 9792926, 19585852]

約数ペア:

[(1, 19585852), (2, 9792926), (4, 4896463), (11, 1780532), (13, 1506604), (22, 890266), (26, 753302), (44, 445133), (52, 376651), (97, 201916), (143, 136964), (194, 100958), (286, 68482), (353, 55484), (388, 50479), (572, 34241), (706, 27742), (1067, 18356), (1261, 15532), (1412, 13871), (2134, 9178), (2522, 7766), (3883, 5044), (4268, 4589)]