18137944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2903}}^1$

素因数の和:2991

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 19497896

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 2903, 3124, 5806, 6248, 11612, 23224, 31933, 63866, 127732, 206113, 255464, 412226, 824452, 1648904, 2267243, 4534486, 9068972, 18137944]

約数ペア:

[(1, 18137944), (2, 9068972), (4, 4534486), (8, 2267243), (11, 1648904), (22, 824452), (44, 412226), (71, 255464), (88, 206113), (142, 127732), (284, 63866), (568, 31933), (781, 23224), (1562, 11612), (2903, 6248), (3124, 5806)]