18911089

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 20684160

約数和(自身を除く): 1773071

約数列:

[1, 17, 53, 139, 151, 901, 2363, 2567, 7367, 8003, 20989, 125239, 136051, 356813, 1112417, 18911089]

約数ペア:

[(1, 18911089), (17, 1112417), (53, 356813), (139, 136051), (151, 125239), (901, 20989), (2363, 8003), (2567, 7367)]