19976060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76831}}^1$

素因数の和:76853

約数の個数: 24

約数和(自身を含む): 45177216

約数和(自身を除く): 25201156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 76831, 153662, 307324, 384155, 768310, 998803, 1536620, 1997606, 3995212, 4994015, 9988030, 19976060]

約数ペア:

[(1, 19976060), (2, 9988030), (4, 4994015), (5, 3995212), (10, 1997606), (13, 1536620), (20, 998803), (26, 768310), (52, 384155), (65, 307324), (130, 153662), (260, 76831)]