19362978

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 23880222

約数列:

[1, 2, 3, 6, 9, 18, 71, 109, 139, 142, 213, 218, 278, 327, 417, 426, 639, 654, 834, 981, 1251, 1278, 1962, 2502, 7739, 9869, 15151, 15478, 19738, 23217, 29607, 30302, 45453, 46434, 59214, 69651, 88821, 90906, 136359, 139302, 177642, 272718, 1075721, 2151442, 3227163, 6454326, 9681489, 19362978]

約数ペア:

[(1, 19362978), (2, 9681489), (3, 6454326), (6, 3227163), (9, 2151442), (18, 1075721), (71, 272718), (109, 177642), (139, 139302), (142, 136359), (213, 90906), (218, 88821), (278, 69651), (327, 59214), (417, 46434), (426, 45453), (639, 30302), (654, 29607), (834, 23217), (981, 19738), (1251, 15478), (1278, 15151), (1962, 9869), (2502, 7739)]