19728056

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{57349}}^1$

素因数の和:57398

約数の個数: 16

約数和(自身を含む): 37851000

約数和(自身を除く): 18122944

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 57349, 114698, 229396, 458792, 2466007, 4932014, 9864028, 19728056]

約数ペア:

[(1, 19728056), (2, 9864028), (4, 4932014), (8, 2466007), (43, 458792), (86, 229396), (172, 114698), (344, 57349)]