18720132

素因数分解:

$2^2\times 3^1\times {\mathrm{1560011}}^1$

素因数の和:1560018

約数の個数: 12

約数和(自身を含む): 43680336

約数和(自身を除く): 24960204

約数列:

[1, 2, 3, 4, 6, 12, 1560011, 3120022, 4680033, 6240044, 9360066, 18720132]

約数ペア:

[(1, 18720132), (2, 9360066), (3, 6240044), (4, 4680033), (6, 3120022), (12, 1560011)]