18771470207

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{7417}}^1$

素因数の和:7671

約数の個数: 32

約数和(自身を含む): 22560215040

約数和(自身を除く): 3788744833

約数列:

[1, 7, 31, 107, 109, 217, 749, 763, 3317, 3379, 7417, 11663, 23219, 23653, 51919, 81641, 229927, 361553, 793619, 808453, 1609489, 2530871, 5555333, 5659171, 24602189, 25062043, 86504471, 172215323, 175434301, 605531297, 2681638601, 18771470207]

約数ペア:

[(1, 18771470207), (7, 2681638601), (31, 605531297), (107, 175434301), (109, 172215323), (217, 86504471), (749, 25062043), (763, 24602189), (3317, 5659171), (3379, 5555333), (7417, 2530871), (11663, 1609489), (23219, 808453), (23653, 793619), (51919, 361553), (81641, 229927)]