19039167

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 34482240

約数和(自身を除く): 15443073

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 493, 609, 613, 1071, 1479, 1827, 1839, 3451, 4291, 4437, 5517, 10353, 10421, 12873, 17777, 31059, 31263, 38619, 53331, 72947, 93789, 124439, 159993, 218841, 302209, 373317, 656523, 906627, 1119951, 2115463, 2719881, 6346389, 19039167]

約数ペア:

[(1, 19039167), (3, 6346389), (7, 2719881), (9, 2115463), (17, 1119951), (21, 906627), (29, 656523), (51, 373317), (63, 302209), (87, 218841), (119, 159993), (153, 124439), (203, 93789), (261, 72947), (357, 53331), (493, 38619), (609, 31263), (613, 31059), (1071, 17777), (1479, 12873), (1827, 10421), (1839, 10353), (3451, 5517), (4291, 4437)]