19767423

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 28858368

約数和(自身を除く): 9090945

約数列:

[1, 3, 13, 39, 127, 169, 307, 381, 507, 921, 1651, 3991, 4953, 11973, 21463, 38989, 51883, 64389, 116967, 155649, 506857, 1520571, 6589141, 19767423]

約数ペア:

[(1, 19767423), (3, 6589141), (13, 1520571), (39, 506857), (127, 155649), (169, 116967), (307, 64389), (381, 51883), (507, 38989), (921, 21463), (1651, 11973), (3991, 4953)]