18821946

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21937}}^1$

素因数の和:21966

約数の個数: 32

約数和(自身を含む): 44227008

約数和(自身を除く): 25405062

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 21937, 43874, 65811, 131622, 241307, 285181, 482614, 570362, 723921, 855543, 1447842, 1711086, 3136991, 6273982, 9410973, 18821946]

約数ペア:

[(1, 18821946), (2, 9410973), (3, 6273982), (6, 3136991), (11, 1711086), (13, 1447842), (22, 855543), (26, 723921), (33, 570362), (39, 482614), (66, 285181), (78, 241307), (143, 131622), (286, 65811), (429, 43874), (858, 21937)]