19252857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 10503303

約数列:

[1, 3, 13, 17, 39, 51, 71, 213, 221, 409, 663, 923, 1207, 1227, 2769, 3621, 5317, 6953, 15691, 15951, 20859, 29039, 47073, 87117, 90389, 271167, 377507, 493663, 1132521, 1480989, 6417619, 19252857]

約数ペア:

[(1, 19252857), (3, 6417619), (13, 1480989), (17, 1132521), (39, 493663), (51, 377507), (71, 271167), (213, 90389), (221, 87117), (409, 47073), (663, 29039), (923, 20859), (1207, 15951), (1227, 15691), (2769, 6953), (3621, 5317)]