19963986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475333}}^1$

素因数の和:475345

約数の個数: 16

約数和(自身を含む): 45632064

約数和(自身を除く): 25668078

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475333, 950666, 1425999, 2851998, 3327331, 6654662, 9981993, 19963986]

約数ペア:

[(1, 19963986), (2, 9981993), (3, 6654662), (6, 3327331), (7, 2851998), (14, 1425999), (21, 950666), (42, 475333)]