19328199

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 29424384

約数和(自身を除く): 10096185

約数列:

[1, 3, 11, 33, 43, 53, 129, 159, 257, 473, 583, 771, 1419, 1749, 2279, 2827, 6837, 8481, 11051, 13621, 25069, 33153, 40863, 75207, 121561, 149831, 364683, 449493, 585703, 1757109, 6442733, 19328199]

約数ペア:

[(1, 19328199), (3, 6442733), (11, 1757109), (33, 585703), (43, 449493), (53, 364683), (129, 149831), (159, 121561), (257, 75207), (473, 40863), (583, 33153), (771, 25069), (1419, 13621), (1749, 11051), (2279, 8481), (2827, 6837)]