19728695

素因数分解:

$5^1\times 7^1\times {\mathrm{733}}^1\times {\mathrm{769}}^1$

素因数の和:1514

約数の個数: 16

約数和(自身を含む): 27128640

約数和(自身を除く): 7399945

約数列:

[1, 5, 7, 35, 733, 769, 3665, 3845, 5131, 5383, 25655, 26915, 563677, 2818385, 3945739, 19728695]

約数ペア:

[(1, 19728695), (5, 3945739), (7, 2818385), (35, 563677), (733, 26915), (769, 25655), (3665, 5383), (3845, 5131)]