19193867

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 26966016

約数和(自身を除く): 7772149

約数列:

[1, 7, 11, 17, 31, 43, 77, 119, 121, 187, 217, 301, 341, 473, 527, 731, 847, 1309, 1333, 2057, 2387, 3311, 3689, 3751, 5117, 5203, 5797, 8041, 9331, 14399, 14663, 22661, 26257, 36421, 40579, 56287, 63767, 88451, 102641, 158627, 161293, 249271, 446369, 619157, 1129051, 1744897, 2741981, 19193867]

約数ペア:

[(1, 19193867), (7, 2741981), (11, 1744897), (17, 1129051), (31, 619157), (43, 446369), (77, 249271), (119, 161293), (121, 158627), (187, 102641), (217, 88451), (301, 63767), (341, 56287), (473, 40579), (527, 36421), (731, 26257), (847, 22661), (1309, 14663), (1333, 14399), (2057, 9331), (2387, 8041), (3311, 5797), (3689, 5203), (3751, 5117)]