219666638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 353687040

約数和(自身を除く): 134020402

約数列:

[1, 2, 19, 38, 83, 166, 257, 271, 514, 542, 1577, 3154, 4883, 5149, 9766, 10298, 21331, 22493, 42662, 44986, 69647, 139294, 405289, 427367, 810578, 854734, 1323293, 2646586, 5780701, 11561402, 109833319, 219666638]

約数ペア:

[(1, 219666638), (2, 109833319), (19, 11561402), (38, 5780701), (83, 2646586), (166, 1323293), (257, 854734), (271, 810578), (514, 427367), (542, 405289), (1577, 139294), (3154, 69647), (4883, 44986), (5149, 42662), (9766, 22493), (10298, 21331)]