2012977818

素因数分解:

$2^1\times 3^4\times {\mathrm{12425789}}^1$

素因数の和:12425803

約数の個数: 20

約数和(自身を含む): 4510561770

約数和(自身を除く): 2497583952

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 12425789, 24851578, 37277367, 74554734, 111832101, 223664202, 335496303, 670992606, 1006488909, 2012977818]

約数ペア:

[(1, 2012977818), (2, 1006488909), (3, 670992606), (6, 335496303), (9, 223664202), (18, 111832101), (27, 74554734), (54, 37277367), (81, 24851578), (162, 12425789)]