19191087

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{71}}^2$

素因数の和:201

約数の個数: 30

約数和(自身を含む): 29696304

約数和(自身を除く): 10505217

約数列:

[1, 3, 9, 27, 47, 71, 81, 141, 213, 423, 639, 1269, 1917, 3337, 3807, 5041, 5751, 10011, 15123, 30033, 45369, 90099, 136107, 236927, 270297, 408321, 710781, 2132343, 6397029, 19191087]

約数ペア:

[(1, 19191087), (3, 6397029), (9, 2132343), (27, 710781), (47, 408321), (71, 270297), (81, 236927), (141, 136107), (213, 90099), (423, 45369), (639, 30033), (1269, 15123), (1917, 10011), (3337, 5751), (3807, 5041)]