19974746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 34276608

約数和(自身を除く): 14301862

約数列:

[1, 2, 11, 22, 37, 53, 74, 106, 407, 463, 583, 814, 926, 1166, 1961, 3922, 5093, 10186, 17131, 21571, 24539, 34262, 43142, 49078, 188441, 269929, 376882, 539858, 907943, 1815886, 9987373, 19974746]

約数ペア:

[(1, 19974746), (2, 9987373), (11, 1815886), (22, 907943), (37, 539858), (53, 376882), (74, 269929), (106, 188441), (407, 49078), (463, 43142), (583, 34262), (814, 24539), (926, 21571), (1166, 17131), (1961, 10186), (3922, 5093)]