19864383

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{761}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 33357312

約数和(自身を除く): 13492929

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 761, 791, 1243, 2283, 2373, 3729, 5327, 8371, 8701, 15981, 25113, 26103, 58597, 85993, 175791, 257979, 601951, 945923, 1805853, 2837769, 6621461, 19864383]

約数ペア:

[(1, 19864383), (3, 6621461), (7, 2837769), (11, 1805853), (21, 945923), (33, 601951), (77, 257979), (113, 175791), (231, 85993), (339, 58597), (761, 26103), (791, 25113), (1243, 15981), (2283, 8701), (2373, 8371), (3729, 5327)]