19255271

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 24634368

約数和(自身を除く): 5379097

約数列:

[1, 7, 17, 43, 53, 71, 119, 301, 371, 497, 731, 901, 1207, 2279, 3053, 3763, 5117, 6307, 8449, 15953, 21371, 26341, 38743, 51901, 63971, 161809, 271201, 363307, 447797, 1132663, 2750753, 19255271]

約数ペア:

[(1, 19255271), (7, 2750753), (17, 1132663), (43, 447797), (53, 363307), (71, 271201), (119, 161809), (301, 63971), (371, 51901), (497, 38743), (731, 26341), (901, 21371), (1207, 15953), (2279, 8449), (3053, 6307), (3763, 5117)]