19261893

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 30514176

約数和(自身を除く): 11252283

約数列:

[1, 3, 7, 21, 43, 83, 129, 249, 257, 301, 581, 771, 903, 1743, 1799, 3569, 5397, 10707, 11051, 21331, 24983, 33153, 63993, 74949, 77357, 149317, 232071, 447951, 917233, 2751699, 6420631, 19261893]

約数ペア:

[(1, 19261893), (3, 6420631), (7, 2751699), (21, 917233), (43, 447951), (83, 232071), (129, 149317), (249, 77357), (257, 74949), (301, 63993), (581, 33153), (771, 24983), (903, 21331), (1743, 11051), (1799, 10707), (3569, 5397)]