19999126

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{26953}}^1$

素因数の和:27015

約数の個数: 16

約数和(自身を含む): 34932384

約数和(自身を除く): 14933258

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 26953, 53906, 188671, 377342, 1428509, 2857018, 9999563, 19999126]

約数ペア:

[(1, 19999126), (2, 9999563), (7, 2857018), (14, 1428509), (53, 377342), (106, 188671), (371, 53906), (742, 26953)]