19409598

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 47604480

約数和(自身を除く): 28194882

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 643, 702, 774, 1118, 1161, 1286, 1677, 1929, 2322, 3354, 3858, 5031, 5787, 8359, 10062, 11574, 15093, 16718, 17361, 25077, 27649, 30186, 34722, 50154, 55298, 75231, 82947, 150462, 165894, 225693, 248841, 359437, 451386, 497682, 718874, 746523, 1078311, 1493046, 2156622, 3234933, 6469866, 9704799, 19409598]

約数ペア:

[(1, 19409598), (2, 9704799), (3, 6469866), (6, 3234933), (9, 2156622), (13, 1493046), (18, 1078311), (26, 746523), (27, 718874), (39, 497682), (43, 451386), (54, 359437), (78, 248841), (86, 225693), (117, 165894), (129, 150462), (234, 82947), (258, 75231), (351, 55298), (387, 50154), (559, 34722), (643, 30186), (702, 27649), (774, 25077), (1118, 17361), (1161, 16718), (1286, 15093), (1677, 11574), (1929, 10062), (2322, 8359), (3354, 5787), (3858, 5031)]