18517103312

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{41903}}^1$

素因数の和:42371

約数の個数: 40

約数和(自身を含む): 36476593920

約数和(自身を除く): 17959490608

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 389, 568, 778, 1136, 1556, 3112, 6224, 27619, 41903, 55238, 83806, 110476, 167612, 220952, 335224, 441904, 670448, 2975113, 5950226, 11900452, 16300267, 23800904, 32600534, 47601808, 65201068, 130402136, 260804272, 1157318957, 2314637914, 4629275828, 9258551656, 18517103312]

約数ペア:

[(1, 18517103312), (2, 9258551656), (4, 4629275828), (8, 2314637914), (16, 1157318957), (71, 260804272), (142, 130402136), (284, 65201068), (389, 47601808), (568, 32600534), (778, 23800904), (1136, 16300267), (1556, 11900452), (3112, 5950226), (6224, 2975113), (27619, 670448), (41903, 441904), (55238, 335224), (83806, 220952), (110476, 167612)]