19457493

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 29538432

約数和(自身を除く): 10080939

約数列:

[1, 3, 11, 33, 41, 73, 123, 197, 219, 451, 591, 803, 1353, 2167, 2409, 2993, 6501, 8077, 8979, 14381, 24231, 32923, 43143, 88847, 98769, 158191, 266541, 474573, 589621, 1768863, 6485831, 19457493]

約数ペア:

[(1, 19457493), (3, 6485831), (11, 1768863), (33, 589621), (41, 474573), (73, 266541), (123, 158191), (197, 98769), (219, 88847), (451, 43143), (591, 32923), (803, 24231), (1353, 14381), (2167, 8979), (2409, 8077), (2993, 6501)]