18265247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 24966144

約数和(自身を除く): 6700897

約数列:

[1, 7, 11, 13, 71, 77, 91, 143, 257, 497, 781, 923, 1001, 1799, 2827, 3341, 5467, 6461, 10153, 18247, 19789, 23387, 36751, 71071, 127729, 200717, 237211, 257257, 1405019, 1660477, 2609321, 18265247]

約数ペア:

[(1, 18265247), (7, 2609321), (11, 1660477), (13, 1405019), (71, 257257), (77, 237211), (91, 200717), (143, 127729), (257, 71071), (497, 36751), (781, 23387), (923, 19789), (1001, 18247), (1799, 10153), (2827, 6461), (3341, 5467)]