18416808

素因数分解:

$2^3\times 3^4\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 80

約数和(自身を含む): 52293780

約数和(自身を除く): 33876972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 97, 108, 162, 194, 216, 291, 293, 324, 388, 582, 586, 648, 776, 873, 879, 1164, 1172, 1746, 1758, 2328, 2344, 2619, 2637, 3492, 3516, 5238, 5274, 6984, 7032, 7857, 7911, 10476, 10548, 15714, 15822, 20952, 21096, 23733, 28421, 31428, 31644, 47466, 56842, 62856, 63288, 85263, 94932, 113684, 170526, 189864, 227368, 255789, 341052, 511578, 682104, 767367, 1023156, 1534734, 2046312, 2302101, 3069468, 4604202, 6138936, 9208404, 18416808]

約数ペア:

[(1, 18416808), (2, 9208404), (3, 6138936), (4, 4604202), (6, 3069468), (8, 2302101), (9, 2046312), (12, 1534734), (18, 1023156), (24, 767367), (27, 682104), (36, 511578), (54, 341052), (72, 255789), (81, 227368), (97, 189864), (108, 170526), (162, 113684), (194, 94932), (216, 85263), (291, 63288), (293, 62856), (324, 56842), (388, 47466), (582, 31644), (586, 31428), (648, 28421), (776, 23733), (873, 21096), (879, 20952), (1164, 15822), (1172, 15714), (1746, 10548), (1758, 10476), (2328, 7911), (2344, 7857), (2619, 7032), (2637, 6984), (3492, 5274), (3516, 5238)]