19131987

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53591}}^1$

素因数の和:53618

約数の個数: 16

約数和(自身を含む): 30868992

約数和(自身を除く): 11737005

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53591, 160773, 375137, 911047, 1125411, 2733141, 6377329, 19131987]

約数ペア:

[(1, 19131987), (3, 6377329), (7, 2733141), (17, 1125411), (21, 911047), (51, 375137), (119, 160773), (357, 53591)]