18480858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{280013}}^1$

素因数の和:280029

約数の個数: 16

約数和(自身を含む): 40322016

約数和(自身を除く): 21841158

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 280013, 560026, 840039, 1680078, 3080143, 6160286, 9240429, 18480858]

約数ペア:

[(1, 18480858), (2, 9240429), (3, 6160286), (6, 3080143), (11, 1680078), (22, 840039), (33, 560026), (66, 280013)]