2019901197868

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1\times {\mathrm{105533}}^1$

素因数の和:106386

約数の個数: 48

約数和(自身を含む): 3633349880160

約数和(自身を除く): 1613448682292

約数列:

[1, 2, 4, 53, 106, 137, 212, 274, 548, 659, 1318, 2636, 7261, 14522, 29044, 34927, 69854, 90283, 105533, 139708, 180566, 211066, 361132, 422132, 4784999, 5593249, 9569998, 11186498, 14458021, 19139996, 22372996, 28916042, 57832084, 69546247, 139092494, 278184988, 766275113, 1532550226, 3065100452, 3685951091, 7371902182, 9527835839, 14743804364, 19055671678, 38111343356, 504975299467, 1009950598934, 2019901197868]

約数ペア:

[(1, 2019901197868), (2, 1009950598934), (4, 504975299467), (53, 38111343356), (106, 19055671678), (137, 14743804364), (212, 9527835839), (274, 7371902182), (548, 3685951091), (659, 3065100452), (1318, 1532550226), (2636, 766275113), (7261, 278184988), (14522, 139092494), (29044, 69546247), (34927, 57832084), (69854, 28916042), (90283, 22372996), (105533, 19139996), (139708, 14458021), (180566, 11186498), (211066, 9569998), (361132, 5593249), (422132, 4784999)]