18920864

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{34781}}^1$

素因数の和:34808

約数の個数: 24

約数和(自身を含む): 39442788

約数和(自身を除く): 20521924

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 34781, 69562, 139124, 278248, 556496, 591277, 1112992, 1182554, 2365108, 4730216, 9460432, 18920864]

約数ペア:

[(1, 18920864), (2, 9460432), (4, 4730216), (8, 2365108), (16, 1182554), (17, 1112992), (32, 591277), (34, 556496), (68, 278248), (136, 139124), (272, 69562), (544, 34781)]