19641369

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 9969639

約数列:

[1, 3, 11, 33, 71, 83, 101, 213, 249, 303, 781, 913, 1111, 2343, 2739, 3333, 5893, 7171, 8383, 17679, 21513, 25149, 64823, 78881, 92213, 194469, 236643, 276639, 595193, 1785579, 6547123, 19641369]

約数ペア:

[(1, 19641369), (3, 6547123), (11, 1785579), (33, 595193), (71, 276639), (83, 236643), (101, 194469), (213, 92213), (249, 78881), (303, 64823), (781, 25149), (913, 21513), (1111, 17679), (2343, 8383), (2739, 7171), (3333, 5893)]