19996383

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4423}}^1$

素因数の和:4574

約数の個数: 16

約数和(自身を含む): 29304576

約数和(自身を除く): 9308193

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4423, 4521, 13269, 48653, 145959, 605951, 1817853, 6665461, 19996383]

約数ペア:

[(1, 19996383), (3, 6665461), (11, 1817853), (33, 605951), (137, 145959), (411, 48653), (1507, 13269), (4423, 4521)]