19491471

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 28894320

約数和(自身を除く): 9402849

約数列:

[1, 3, 9, 83, 97, 249, 269, 291, 747, 807, 873, 2421, 8051, 22327, 24153, 26093, 66981, 72459, 78279, 200943, 234837, 2165719, 6497157, 19491471]

約数ペア:

[(1, 19491471), (3, 6497157), (9, 2165719), (83, 234837), (97, 200943), (249, 78279), (269, 72459), (291, 66981), (747, 26093), (807, 24153), (873, 22327), (2421, 8051)]