19203387

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53791}}^1$

素因数の和:53818

約数の個数: 16

約数和(自身を含む): 30984192

約数和(自身を除く): 11780805

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53791, 161373, 376537, 914447, 1129611, 2743341, 6401129, 19203387]

約数ペア:

[(1, 19203387), (3, 6401129), (7, 2743341), (17, 1129611), (21, 914447), (51, 376537), (119, 161373), (357, 53791)]