18171771

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 8923269

約数列:

[1, 3, 19, 23, 57, 69, 83, 167, 249, 437, 501, 1311, 1577, 1909, 3173, 3841, 4731, 5727, 9519, 11523, 13861, 36271, 41583, 72979, 108813, 218937, 263359, 318803, 790077, 956409, 6057257, 18171771]

約数ペア:

[(1, 18171771), (3, 6057257), (19, 956409), (23, 790077), (57, 318803), (69, 263359), (83, 218937), (167, 108813), (249, 72979), (437, 41583), (501, 36271), (1311, 13861), (1577, 11523), (1909, 9519), (3173, 5727), (3841, 4731)]