18100390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2137}}^1$

素因数の和:2173

約数の個数: 48

約数和(自身を含む): 40946976

約数和(自身を除く): 22846586

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 2137, 4235, 4274, 8470, 10685, 14959, 21370, 23507, 29918, 47014, 74795, 117535, 149590, 164549, 235070, 258577, 329098, 517154, 822745, 1292885, 1645490, 1810039, 2585770, 3620078, 9050195, 18100390]

約数ペア:

[(1, 18100390), (2, 9050195), (5, 3620078), (7, 2585770), (10, 1810039), (11, 1645490), (14, 1292885), (22, 822745), (35, 517154), (55, 329098), (70, 258577), (77, 235070), (110, 164549), (121, 149590), (154, 117535), (242, 74795), (385, 47014), (605, 29918), (770, 23507), (847, 21370), (1210, 14959), (1694, 10685), (2137, 8470), (4235, 4274)]