18920706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{450493}}^1$

素因数の和:450505

約数の個数: 16

約数和(自身を含む): 43247424

約数和(自身を除く): 24326718

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 450493, 900986, 1351479, 2702958, 3153451, 6306902, 9460353, 18920706]

約数ペア:

[(1, 18920706), (2, 9460353), (3, 6306902), (6, 3153451), (7, 2702958), (14, 1351479), (21, 900986), (42, 450493)]