18778894

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:819

約数の個数: 16

約数和(自身を含む): 28741968

約数和(自身を除く): 9963074

約数列:

[1, 2, 67, 134, 353, 397, 706, 794, 23651, 26599, 47302, 53198, 140141, 280282, 9389447, 18778894]

約数ペア:

[(1, 18778894), (2, 9389447), (67, 280282), (134, 140141), (353, 53198), (397, 47302), (706, 26599), (794, 23651)]