19219317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 29877120

約数和(自身を除く): 10657803

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 701, 703, 741, 1443, 2103, 2109, 9113, 9139, 13319, 25937, 27339, 27417, 39957, 77811, 173147, 337181, 492803, 519441, 1011543, 1478409, 6406439, 19219317]

約数ペア:

[(1, 19219317), (3, 6406439), (13, 1478409), (19, 1011543), (37, 519441), (39, 492803), (57, 337181), (111, 173147), (247, 77811), (481, 39957), (701, 27417), (703, 27339), (741, 25937), (1443, 13319), (2103, 9139), (2109, 9113)]