19682663

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:144

約数の個数: 36

約数和(自身を含む): 27416088

約数和(自身を除く): 7733425

約数列:

[1, 7, 11, 13, 49, 53, 77, 91, 143, 371, 539, 583, 637, 689, 1001, 2597, 2809, 4081, 4823, 7007, 7579, 19663, 28567, 30899, 33761, 36517, 53053, 137641, 216293, 255619, 371371, 401687, 1514051, 1789333, 2811809, 19682663]

約数ペア:

[(1, 19682663), (7, 2811809), (11, 1789333), (13, 1514051), (49, 401687), (53, 371371), (77, 255619), (91, 216293), (143, 137641), (371, 53053), (539, 36517), (583, 33761), (637, 30899), (689, 28567), (1001, 19663), (2597, 7579), (2809, 7007), (4081, 4823)]