19979751

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{14767}}^1$

素因数の和:14822

約数の個数: 16

約数和(自身を含む): 29772288

約数和(自身を除く): 9792537

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 14767, 44301, 162437, 487311, 605447, 1816341, 6659917, 19979751]

約数ペア:

[(1, 19979751), (3, 6659917), (11, 1816341), (33, 605447), (41, 487311), (123, 162437), (451, 44301), (1353, 14767)]