19856438

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19429}}^1$

素因数の和:19511

約数の個数: 16

約数和(自身を含む): 34507680

約数和(自身を除く): 14651242

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 19429, 38858, 136003, 272006, 1418317, 2836634, 9928219, 19856438]

約数ペア:

[(1, 19856438), (2, 9928219), (7, 2836634), (14, 1418317), (73, 272006), (146, 136003), (511, 38858), (1022, 19429)]