19468211

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 22855680

約数和(自身を除く): 3387469

約数列:

[1, 7, 61, 127, 359, 427, 889, 2513, 7747, 21899, 45593, 54229, 153293, 319151, 2781173, 19468211]

約数ペア:

[(1, 19468211), (7, 2781173), (61, 319151), (127, 153293), (359, 54229), (427, 45593), (889, 21899), (2513, 7747)]