19271798

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 36321600

約数和(自身を除く): 17049802

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2161, 4322, 4459, 8918, 15127, 28093, 30254, 56186, 105889, 196651, 211778, 393302, 741223, 1376557, 1482446, 2753114, 9635899, 19271798]

約数ペア:

[(1, 19271798), (2, 9635899), (7, 2753114), (13, 1482446), (14, 1376557), (26, 741223), (49, 393302), (91, 211778), (98, 196651), (182, 105889), (343, 56186), (637, 30254), (686, 28093), (1274, 15127), (2161, 8918), (4322, 4459)]