19504953

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3547}}^1$

素因数の和:3613

約数の個数: 24

約数和(自身を含む): 30995328

約数和(自身を除く): 11490375

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3547, 5499, 10641, 31923, 46111, 138333, 166709, 414999, 500127, 1500381, 2167217, 6501651, 19504953]

約数ペア:

[(1, 19504953), (3, 6501651), (9, 2167217), (13, 1500381), (39, 500127), (47, 414999), (117, 166709), (141, 138333), (423, 46111), (611, 31923), (1833, 10641), (3547, 5499)]