19962978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1129}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 45778560

約数和(自身を除く): 25815582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 421, 842, 1129, 1263, 2258, 2526, 2947, 3387, 5894, 6774, 7903, 8841, 15806, 17682, 23709, 47418, 475309, 950618, 1425927, 2851854, 3327163, 6654326, 9981489, 19962978]

約数ペア:

[(1, 19962978), (2, 9981489), (3, 6654326), (6, 3327163), (7, 2851854), (14, 1425927), (21, 950618), (42, 475309), (421, 47418), (842, 23709), (1129, 17682), (1263, 15806), (2258, 8841), (2526, 7903), (2947, 6774), (3387, 5894)]