19867617

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28669}}^1$

素因数の和:28693

約数の個数: 24

約数和(自身を含む): 35780160

約数和(自身を除く): 15912543

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28669, 86007, 200683, 258021, 315359, 602049, 946077, 1806147, 2207513, 2838231, 6622539, 19867617]

約数ペア:

[(1, 19867617), (3, 6622539), (7, 2838231), (9, 2207513), (11, 1806147), (21, 946077), (33, 602049), (63, 315359), (77, 258021), (99, 200683), (231, 86007), (693, 28669)]