18639222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443791}}^1$

素因数の和:443803

約数の個数: 16

約数和(自身を含む): 42604032

約数和(自身を除く): 23964810

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443791, 887582, 1331373, 2662746, 3106537, 6213074, 9319611, 18639222]

約数ペア:

[(1, 18639222), (2, 9319611), (3, 6213074), (6, 3106537), (7, 2662746), (14, 1331373), (21, 887582), (42, 443791)]