18720084

素因数分解:

$2^2\times 3^1\times {\mathrm{1560007}}^1$

素因数の和:1560014

約数の個数: 12

約数和(自身を含む): 43680224

約数和(自身を除く): 24960140

約数列:

[1, 2, 3, 4, 6, 12, 1560007, 3120014, 4680021, 6240028, 9360042, 18720084]

約数ペア:

[(1, 18720084), (2, 9360042), (3, 6240028), (4, 4680021), (6, 3120014), (12, 1560007)]