19491325

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 27871232

約数和(自身を除く): 8379907

約数列:

[1, 5, 7, 25, 35, 127, 175, 635, 877, 889, 3175, 4385, 4445, 6139, 21925, 22225, 30695, 111379, 153475, 556895, 779653, 2784475, 3898265, 19491325]

約数ペア:

[(1, 19491325), (5, 3898265), (7, 2784475), (25, 779653), (35, 556895), (127, 153475), (175, 111379), (635, 30695), (877, 22225), (889, 21925), (3175, 6139), (4385, 4445)]