18694422

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 43464960

約数和(自身を除く): 24770538

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 83, 86, 97, 129, 166, 194, 249, 258, 291, 387, 498, 582, 747, 774, 873, 1161, 1494, 1746, 2241, 2322, 2619, 3569, 4171, 4482, 5238, 7138, 8051, 8342, 10707, 12513, 16102, 21414, 24153, 25026, 32121, 37539, 48306, 64242, 72459, 75078, 96363, 112617, 144918, 192726, 217377, 225234, 346193, 434754, 692386, 1038579, 2077158, 3115737, 6231474, 9347211, 18694422]

約数ペア:

[(1, 18694422), (2, 9347211), (3, 6231474), (6, 3115737), (9, 2077158), (18, 1038579), (27, 692386), (43, 434754), (54, 346193), (83, 225234), (86, 217377), (97, 192726), (129, 144918), (166, 112617), (194, 96363), (249, 75078), (258, 72459), (291, 64242), (387, 48306), (498, 37539), (582, 32121), (747, 25026), (774, 24153), (873, 21414), (1161, 16102), (1494, 12513), (1746, 10707), (2241, 8342), (2322, 8051), (2619, 7138), (3569, 5238), (4171, 4482)]