19005754672

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{208433}}^1$

素因数の和:208621

約数の個数: 40

約数和(自身を含む): 37993349520

約数和(自身を除く): 18987594848

約数列:

[1, 2, 4, 8, 16, 41, 82, 139, 164, 278, 328, 556, 656, 1112, 2224, 5699, 11398, 22796, 45592, 91184, 208433, 416866, 833732, 1667464, 3334928, 8545753, 17091506, 28972187, 34183012, 57944374, 68366024, 115888748, 136732048, 231777496, 463554992, 1187859667, 2375719334, 4751438668, 9502877336, 19005754672]

約数ペア:

[(1, 19005754672), (2, 9502877336), (4, 4751438668), (8, 2375719334), (16, 1187859667), (41, 463554992), (82, 231777496), (139, 136732048), (164, 115888748), (278, 68366024), (328, 57944374), (556, 34183012), (656, 28972187), (1112, 17091506), (2224, 8545753), (5699, 3334928), (11398, 1667464), (22796, 833732), (45592, 416866), (91184, 208433)]