19745649

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28493}}^1$

素因数の和:28517

約数の個数: 24

約数和(自身を含む): 35560512

約数和(自身を除く): 15814863

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 28493, 85479, 199451, 256437, 313423, 598353, 940269, 1795059, 2193961, 2820807, 6581883, 19745649]

約数ペア:

[(1, 19745649), (3, 6581883), (7, 2820807), (9, 2193961), (11, 1795059), (21, 940269), (33, 598353), (63, 313423), (77, 256437), (99, 199451), (231, 85479), (693, 28493)]