19958336

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{2861}}^1$

素因数の和:2982

約数の個数: 28

約数和(自身を含む): 39982140

約数和(自身を除く): 20023804

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 2861, 3488, 5722, 6976, 11444, 22888, 45776, 91552, 183104, 311849, 623698, 1247396, 2494792, 4989584, 9979168, 19958336]

約数ペア:

[(1, 19958336), (2, 9979168), (4, 4989584), (8, 2494792), (16, 1247396), (32, 623698), (64, 311849), (109, 183104), (218, 91552), (436, 45776), (872, 22888), (1744, 11444), (2861, 6976), (3488, 5722)]