19639026

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 47803392

約数和(自身を除く): 28164366

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 121, 127, 142, 198, 213, 242, 254, 363, 381, 426, 639, 726, 762, 781, 1089, 1143, 1278, 1397, 1562, 2178, 2286, 2343, 2794, 4191, 4686, 7029, 8382, 8591, 9017, 12573, 14058, 15367, 17182, 18034, 25146, 25773, 27051, 30734, 46101, 51546, 54102, 77319, 81153, 92202, 99187, 138303, 154638, 162306, 198374, 276606, 297561, 595122, 892683, 1091057, 1785366, 2182114, 3273171, 6546342, 9819513, 19639026]

約数ペア:

[(1, 19639026), (2, 9819513), (3, 6546342), (6, 3273171), (9, 2182114), (11, 1785366), (18, 1091057), (22, 892683), (33, 595122), (66, 297561), (71, 276606), (99, 198374), (121, 162306), (127, 154638), (142, 138303), (198, 99187), (213, 92202), (242, 81153), (254, 77319), (363, 54102), (381, 51546), (426, 46101), (639, 30734), (726, 27051), (762, 25773), (781, 25146), (1089, 18034), (1143, 17182), (1278, 15367), (1397, 14058), (1562, 12573), (2178, 9017), (2286, 8591), (2343, 8382), (2794, 7029), (4191, 4686)]