18453918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 25898082

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 109, 139, 174, 203, 218, 278, 327, 406, 417, 609, 654, 763, 834, 973, 1218, 1526, 1946, 2289, 2919, 3161, 4031, 4578, 5838, 6322, 8062, 9483, 12093, 15151, 18966, 22127, 24186, 28217, 30302, 44254, 45453, 56434, 66381, 84651, 90906, 106057, 132762, 169302, 212114, 318171, 439379, 636342, 878758, 1318137, 2636274, 3075653, 6151306, 9226959, 18453918]

約数ペア:

[(1, 18453918), (2, 9226959), (3, 6151306), (6, 3075653), (7, 2636274), (14, 1318137), (21, 878758), (29, 636342), (42, 439379), (58, 318171), (87, 212114), (109, 169302), (139, 132762), (174, 106057), (203, 90906), (218, 84651), (278, 66381), (327, 56434), (406, 45453), (417, 44254), (609, 30302), (654, 28217), (763, 24186), (834, 22127), (973, 18966), (1218, 15151), (1526, 12093), (1946, 9483), (2289, 8062), (2919, 6322), (3161, 5838), (4031, 4578)]