18604201

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 5781335

約数列:

[1, 7, 11, 41, 71, 77, 83, 287, 451, 497, 581, 781, 913, 2911, 3157, 3403, 5467, 5893, 6391, 20377, 23821, 32021, 37433, 41251, 64823, 224147, 241613, 262031, 453761, 1691291, 2657743, 18604201]

約数ペア:

[(1, 18604201), (7, 2657743), (11, 1691291), (41, 453761), (71, 262031), (77, 241613), (83, 224147), (287, 64823), (451, 41251), (497, 37433), (581, 32021), (781, 23821), (913, 20377), (2911, 6391), (3157, 5893), (3403, 5467)]