19122785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 7004575

約数列:

[1, 5, 11, 55, 59, 71, 83, 295, 355, 415, 649, 781, 913, 3245, 3905, 4189, 4565, 4897, 5893, 20945, 24485, 29465, 46079, 53867, 64823, 230395, 269335, 324115, 347687, 1738435, 3824557, 19122785]

約数ペア:

[(1, 19122785), (5, 3824557), (11, 1738435), (55, 347687), (59, 324115), (71, 269335), (83, 230395), (295, 64823), (355, 53867), (415, 46079), (649, 29465), (781, 24485), (913, 20945), (3245, 5893), (3905, 4897), (4189, 4565)]