17978587788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2077969}}^1$

素因数の和:2078086

約数の個数: 48

約数和(自身を含む): 48408389120

約数和(自身を除く): 30429801332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2884, 4326, 8652, 2077969, 4155938, 6233907, 8311876, 12467814, 14545783, 24935628, 29091566, 43637349, 58183132, 87274698, 174549396, 214030807, 428061614, 642092421, 856123228, 1284184842, 1498215649, 2568369684, 2996431298, 4494646947, 5992862596, 8989293894, 17978587788]

約数ペア:

[(1, 17978587788), (2, 8989293894), (3, 5992862596), (4, 4494646947), (6, 2996431298), (7, 2568369684), (12, 1498215649), (14, 1284184842), (21, 856123228), (28, 642092421), (42, 428061614), (84, 214030807), (103, 174549396), (206, 87274698), (309, 58183132), (412, 43637349), (618, 29091566), (721, 24935628), (1236, 14545783), (1442, 12467814), (2163, 8311876), (2884, 6233907), (4326, 4155938), (8652, 2077969)]