19866574

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6421}}^1$

素因数の和:6460

約数の個数: 32

約数和(自身を含む): 38840256

約数和(自身を除く): 18973682

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6421, 12842, 44947, 83473, 89894, 109157, 166946, 218314, 584311, 764099, 1168622, 1419041, 1528198, 2838082, 9933287, 19866574]

約数ペア:

[(1, 19866574), (2, 9933287), (7, 2838082), (13, 1528198), (14, 1419041), (17, 1168622), (26, 764099), (34, 584311), (91, 218314), (119, 166946), (182, 109157), (221, 89894), (238, 83473), (442, 44947), (1547, 12842), (3094, 6421)]