19945952

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47947}}^1$

素因数の和:47970

約数の個数: 24

約数和(自身を含む): 42290136

約数和(自身を除く): 22344184

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 47947, 95894, 191788, 383576, 623311, 767152, 1246622, 1534304, 2493244, 4986488, 9972976, 19945952]

約数ペア:

[(1, 19945952), (2, 9972976), (4, 4986488), (8, 2493244), (13, 1534304), (16, 1246622), (26, 767152), (32, 623311), (52, 383576), (104, 191788), (208, 95894), (416, 47947)]