19242146

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 37359168

約数和(自身を除く): 18117022

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 121, 154, 242, 259, 307, 407, 518, 614, 814, 847, 1694, 2149, 2849, 3377, 4298, 4477, 5698, 6754, 8954, 11359, 22718, 23639, 31339, 37147, 47278, 62678, 74294, 79513, 124949, 159026, 249898, 260029, 520058, 874643, 1374439, 1749286, 2748878, 9621073, 19242146]

約数ペア:

[(1, 19242146), (2, 9621073), (7, 2748878), (11, 1749286), (14, 1374439), (22, 874643), (37, 520058), (74, 260029), (77, 249898), (121, 159026), (154, 124949), (242, 79513), (259, 74294), (307, 62678), (407, 47278), (518, 37147), (614, 31339), (814, 23639), (847, 22718), (1694, 11359), (2149, 8954), (2849, 6754), (3377, 5698), (4298, 4477)]