18800584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 22023416

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 53, 58, 88, 106, 116, 139, 212, 232, 278, 319, 424, 556, 583, 638, 1112, 1166, 1276, 1529, 1537, 2332, 2552, 3058, 3074, 4031, 4664, 6116, 6148, 7367, 8062, 12232, 12296, 14734, 16124, 16907, 29468, 32248, 33814, 44341, 58936, 67628, 81037, 88682, 135256, 162074, 177364, 213643, 324148, 354728, 427286, 648296, 854572, 1709144, 2350073, 4700146, 9400292, 18800584]

約数ペア:

[(1, 18800584), (2, 9400292), (4, 4700146), (8, 2350073), (11, 1709144), (22, 854572), (29, 648296), (44, 427286), (53, 354728), (58, 324148), (88, 213643), (106, 177364), (116, 162074), (139, 135256), (212, 88682), (232, 81037), (278, 67628), (319, 58936), (424, 44341), (556, 33814), (583, 32248), (638, 29468), (1112, 16907), (1166, 16124), (1276, 14734), (1529, 12296), (1537, 12232), (2332, 8062), (2552, 7367), (3058, 6148), (3074, 6116), (4031, 4664)]