19756496

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9013}}^1$

素因数の和:9158

約数の個数: 20

約数和(自身を含む): 38561892

約数和(自身を除く): 18805396

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9013, 18026, 36052, 72104, 144208, 1234781, 2469562, 4939124, 9878248, 19756496]

約数ペア:

[(1, 19756496), (2, 9878248), (4, 4939124), (8, 2469562), (16, 1234781), (137, 144208), (274, 72104), (548, 36052), (1096, 18026), (2192, 9013)]