18968978

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4721}}^1$

素因数の和:4778

約数の個数: 24

約数和(自身を含む): 33913404

約数和(自身を除く): 14944426

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 4721, 9442, 33047, 66094, 193561, 231329, 387122, 462658, 1354927, 2709854, 9484489, 18968978]

約数ペア:

[(1, 18968978), (2, 9484489), (7, 2709854), (14, 1354927), (41, 462658), (49, 387122), (82, 231329), (98, 193561), (287, 66094), (574, 33047), (2009, 9442), (4018, 4721)]