19992214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11503}}^1$

素因数の和:11595

約数の個数: 16

約数和(自身を含む): 33131520

約数和(自身を除く): 13139306

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 11503, 23006, 126533, 253066, 908737, 1817474, 9996107, 19992214]

約数ペア:

[(1, 19992214), (2, 9996107), (11, 1817474), (22, 908737), (79, 253066), (158, 126533), (869, 23006), (1738, 11503)]