19655103

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 29647296

約数和(自身を除く): 9992193

約数列:

[1, 3, 13, 37, 39, 53, 111, 159, 257, 481, 689, 771, 1443, 1961, 2067, 3341, 5883, 9509, 10023, 13621, 25493, 28527, 40863, 76479, 123617, 177073, 370851, 503977, 531219, 1511931, 6551701, 19655103]

約数ペア:

[(1, 19655103), (3, 6551701), (13, 1511931), (37, 531219), (39, 503977), (53, 370851), (111, 177073), (159, 123617), (257, 76479), (481, 40863), (689, 28527), (771, 25493), (1443, 13621), (1961, 10023), (2067, 9509), (3341, 5883)]