18987188615

素因数分解:

$5^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1\times {\mathrm{41141}}^1$

素因数の和:41770

約数の個数: 16

約数和(自身を含む): 22939462656

約数和(自身を除く): 3952274041

約数列:

[1, 5, 241, 383, 1205, 1915, 41141, 92303, 205705, 461515, 9914981, 15757003, 49574905, 78785015, 3797437723, 18987188615]

約数ペア:

[(1, 18987188615), (5, 3797437723), (241, 78785015), (383, 49574905), (1205, 15757003), (1915, 9914981), (41141, 461515), (92303, 205705)]