19729535

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9241}}^1$

素因数の和:9314

約数の個数: 16

約数和(自身を含む): 27504192

約数和(自身を除く): 7774657

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9241, 46205, 64687, 323435, 563701, 2818505, 3945907, 19729535]

約数ペア:

[(1, 19729535), (5, 3945907), (7, 2818505), (35, 563701), (61, 323435), (305, 64687), (427, 46205), (2135, 9241)]