19885246

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1187

約数の個数: 16

約数和(自身を含む): 30699648

約数和(自身を除く): 10814402

約数列:

[1, 2, 41, 82, 281, 562, 863, 1726, 11521, 23042, 35383, 70766, 242503, 485006, 9942623, 19885246]

約数ペア:

[(1, 19885246), (2, 9942623), (41, 485006), (82, 242503), (281, 70766), (562, 35383), (863, 23042), (1726, 11521)]