19868464

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16127}}^1$

素因数の和:16153

約数の個数: 40

約数和(自身を含む): 47996928

約数和(自身を除く): 28128464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16127, 32254, 64508, 112889, 129016, 177397, 225778, 258032, 354794, 451556, 709588, 903112, 1241779, 1419176, 1806224, 2483558, 2838352, 4967116, 9934232, 19868464]

約数ペア:

[(1, 19868464), (2, 9934232), (4, 4967116), (7, 2838352), (8, 2483558), (11, 1806224), (14, 1419176), (16, 1241779), (22, 903112), (28, 709588), (44, 451556), (56, 354794), (77, 258032), (88, 225778), (112, 177397), (154, 129016), (176, 112889), (308, 64508), (616, 32254), (1232, 16127)]