19998832

素因数分解:

$2^4\times 7^1\times {\mathrm{178561}}^1$

素因数の和:178576

約数の個数: 20

約数和(自身を含む): 44283376

約数和(自身を除く): 24284544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178561, 357122, 714244, 1249927, 1428488, 2499854, 2856976, 4999708, 9999416, 19998832]

約数ペア:

[(1, 19998832), (2, 9999416), (4, 4999708), (7, 2856976), (8, 2499854), (14, 1428488), (16, 1249927), (28, 714244), (56, 357122), (112, 178561)]