18710318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5417}}^1$

素因数の和:5587

約数の個数: 16

約数和(自身を含む): 30817584

約数和(自身を除く): 12107266

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5417, 10834, 59587, 119174, 850469, 1700938, 9355159, 18710318]

約数ペア:

[(1, 18710318), (2, 9355159), (11, 1700938), (22, 850469), (157, 119174), (314, 59587), (1727, 10834), (3454, 5417)]