18288277

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 22246272

約数和(自身を除く): 3957995

約数列:

[1, 7, 17, 119, 313, 491, 2191, 3437, 5321, 8347, 37247, 58429, 153683, 1075781, 2612611, 18288277]

約数ペア:

[(1, 18288277), (7, 2612611), (17, 1075781), (119, 153683), (313, 58429), (491, 37247), (2191, 8347), (3437, 5321)]