18499448

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 39501000

約数和(自身を除く): 21001552

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 121, 232, 242, 319, 484, 638, 659, 968, 1276, 1318, 2552, 2636, 3509, 5272, 7018, 7249, 14036, 14498, 19111, 28072, 28996, 38222, 57992, 76444, 79739, 152888, 159478, 210221, 318956, 420442, 637912, 840884, 1681768, 2312431, 4624862, 9249724, 18499448]

約数ペア:

[(1, 18499448), (2, 9249724), (4, 4624862), (8, 2312431), (11, 1681768), (22, 840884), (29, 637912), (44, 420442), (58, 318956), (88, 210221), (116, 159478), (121, 152888), (232, 79739), (242, 76444), (319, 57992), (484, 38222), (638, 28996), (659, 28072), (968, 19111), (1276, 14498), (1318, 14036), (2552, 7249), (2636, 7018), (3509, 5272)]