18120726

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 25908714

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 83, 117, 166, 234, 249, 311, 351, 498, 622, 702, 747, 933, 1079, 1494, 1866, 2158, 2241, 2799, 3237, 4043, 4482, 5598, 6474, 8086, 8397, 9711, 12129, 16794, 19422, 24258, 25813, 29133, 36387, 51626, 58266, 72774, 77439, 109161, 154878, 218322, 232317, 335569, 464634, 671138, 696951, 1006707, 1393902, 2013414, 3020121, 6040242, 9060363, 18120726]

約数ペア:

[(1, 18120726), (2, 9060363), (3, 6040242), (6, 3020121), (9, 2013414), (13, 1393902), (18, 1006707), (26, 696951), (27, 671138), (39, 464634), (54, 335569), (78, 232317), (83, 218322), (117, 154878), (166, 109161), (234, 77439), (249, 72774), (311, 58266), (351, 51626), (498, 36387), (622, 29133), (702, 25813), (747, 24258), (933, 19422), (1079, 16794), (1494, 12129), (1866, 9711), (2158, 8397), (2241, 8086), (2799, 6474), (3237, 5598), (4043, 4482)]