19712392

素因数分解:

$2^3\times 7^1\times {\mathrm{352007}}^1$

素因数の和:352020

約数の個数: 16

約数和(自身を含む): 42240960

約数和(自身を除く): 22528568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 352007, 704014, 1408028, 2464049, 2816056, 4928098, 9856196, 19712392]

約数ペア:

[(1, 19712392), (2, 9856196), (4, 4928098), (7, 2816056), (8, 2464049), (14, 1408028), (28, 704014), (56, 352007)]