18156745684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{550939}}^1$

素因数の和:551068

約数の個数: 48

約数和(自身を含む): 39985021440

約数和(自身を除く): 21828275756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 749, 1177, 1498, 2354, 2996, 4708, 8239, 16478, 32956, 550939, 1101878, 2203756, 3856573, 6060329, 7713146, 12120658, 15426292, 24241316, 42422303, 58950473, 84844606, 117900946, 169689212, 235801892, 412653311, 648455203, 825306622, 1296910406, 1650613244, 2593820812, 4539186421, 9078372842, 18156745684]

約数ペア:

[(1, 18156745684), (2, 9078372842), (4, 4539186421), (7, 2593820812), (11, 1650613244), (14, 1296910406), (22, 825306622), (28, 648455203), (44, 412653311), (77, 235801892), (107, 169689212), (154, 117900946), (214, 84844606), (308, 58950473), (428, 42422303), (749, 24241316), (1177, 15426292), (1498, 12120658), (2354, 7713146), (2996, 6060329), (4708, 3856573), (8239, 2203756), (16478, 1101878), (32956, 550939)]