19018855

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:714

約数の個数: 16

約数和(自身を含む): 23414400

約数和(自身を除く): 4395545

約数列:

[1, 5, 79, 89, 395, 445, 541, 2705, 7031, 35155, 42739, 48149, 213695, 240745, 3803771, 19018855]

約数ペア:

[(1, 19018855), (5, 3803771), (79, 240745), (89, 213695), (395, 48149), (445, 42739), (541, 35155), (2705, 7031)]