19873953

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1949}}^1$

素因数の和:2069

約数の個数: 24

約数和(自身を含む): 31636800

約数和(自身を除く): 11762847

約数列:

[1, 3, 9, 11, 33, 99, 103, 309, 927, 1133, 1949, 3399, 5847, 10197, 17541, 21439, 64317, 192951, 200747, 602241, 1806723, 2208217, 6624651, 19873953]

約数ペア:

[(1, 19873953), (3, 6624651), (9, 2208217), (11, 1806723), (33, 602241), (99, 200747), (103, 192951), (309, 64317), (927, 21439), (1133, 17541), (1949, 10197), (3399, 5847)]