18720112

素因数分解:

$2^4\times {\mathrm{1170007}}^1$

素因数の和:1170015

約数の個数: 10

約数和(自身を含む): 36270248

約数和(自身を除く): 17550136

約数列:

[1, 2, 4, 8, 16, 1170007, 2340014, 4680028, 9360056, 18720112]

約数ペア:

[(1, 18720112), (2, 9360056), (4, 4680028), (8, 2340014), (16, 1170007)]