12489213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19919}}^1$

素因数の和:19952

約数の個数: 16

約数和(自身を含む): 19123200

約数和(自身を除く): 6633987

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 19919, 59757, 219109, 378461, 657327, 1135383, 4163071, 12489213]

約数ペア:

[(1, 12489213), (3, 4163071), (11, 1135383), (19, 657327), (33, 378461), (57, 219109), (209, 59757), (627, 19919)]