18341785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 28498176

約数和(自身を除く): 10156391

約数列:

[1, 5, 7, 11, 35, 55, 61, 71, 77, 121, 305, 355, 385, 427, 497, 605, 671, 781, 847, 2135, 2485, 3355, 3905, 4235, 4331, 4697, 5467, 7381, 8591, 21655, 23485, 27335, 30317, 36905, 42955, 47641, 51667, 60137, 151585, 238205, 258335, 300685, 333487, 524051, 1667435, 2620255, 3668357, 18341785]

約数ペア:

[(1, 18341785), (5, 3668357), (7, 2620255), (11, 1667435), (35, 524051), (55, 333487), (61, 300685), (71, 258335), (77, 238205), (121, 151585), (305, 60137), (355, 51667), (385, 47641), (427, 42955), (497, 36905), (605, 30317), (671, 27335), (781, 23485), (847, 21655), (2135, 8591), (2485, 7381), (3355, 5467), (3905, 4697), (4235, 4331)]