19711071

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:164

約数の個数: 36

約数和(自身を含む): 30671784

約数和(自身を除く): 10960713

約数列:

[1, 3, 9, 31, 43, 53, 93, 129, 159, 279, 387, 477, 961, 1333, 1643, 2279, 2883, 3999, 4929, 6837, 8649, 11997, 14787, 20511, 41323, 50933, 70649, 123969, 152799, 211947, 371907, 458397, 635841, 2190119, 6570357, 19711071]

約数ペア:

[(1, 19711071), (3, 6570357), (9, 2190119), (31, 635841), (43, 458397), (53, 371907), (93, 211947), (129, 152799), (159, 123969), (279, 70649), (387, 50933), (477, 41323), (961, 20511), (1333, 14787), (1643, 11997), (2279, 8649), (2883, 6837), (3999, 4929)]