19269488

素因数分解:

$2^4\times 7^1\times {\mathrm{172049}}^1$

素因数の和:172064

約数の個数: 20

約数和(自身を含む): 42668400

約数和(自身を除く): 23398912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 172049, 344098, 688196, 1204343, 1376392, 2408686, 2752784, 4817372, 9634744, 19269488]

約数ペア:

[(1, 19269488), (2, 9634744), (4, 4817372), (7, 2752784), (8, 2408686), (14, 1376392), (16, 1204343), (28, 688196), (56, 344098), (112, 172049)]