18002831

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 23639040

約数和(自身を除く): 5636209

約数列:

[1, 7, 11, 37, 71, 77, 89, 259, 407, 497, 623, 781, 979, 2627, 2849, 3293, 5467, 6319, 6853, 18389, 23051, 28897, 36223, 44233, 69509, 202279, 233803, 253561, 486563, 1636621, 2571833, 18002831]

約数ペア:

[(1, 18002831), (7, 2571833), (11, 1636621), (37, 486563), (71, 253561), (77, 233803), (89, 202279), (259, 69509), (407, 44233), (497, 36223), (623, 28897), (781, 23051), (979, 18389), (2627, 6853), (2849, 6319), (3293, 5467)]