17971664

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21193}}^1$

素因数の和:21254

約数の個数: 20

約数和(自身を含む): 35478756

約数和(自身を除く): 17507092

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21193, 42386, 84772, 169544, 339088, 1123229, 2246458, 4492916, 8985832, 17971664]

約数ペア:

[(1, 17971664), (2, 8985832), (4, 4492916), (8, 2246458), (16, 1123229), (53, 339088), (106, 169544), (212, 84772), (424, 42386), (848, 21193)]