19892961

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4673}}^1$

素因数の和:4733

約数の個数: 24

約数和(自身を含む): 32082336

約数和(自身を除く): 12189375

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4673, 14019, 42057, 51403, 154209, 200939, 462627, 602817, 1808451, 2210329, 6630987, 19892961]

約数ペア:

[(1, 19892961), (3, 6630987), (9, 2210329), (11, 1808451), (33, 602817), (43, 462627), (99, 200939), (129, 154209), (387, 51403), (473, 42057), (1419, 14019), (4257, 4673)]