19675117

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 25231392

約数和(自身を除く): 5556275

約数列:

[1, 7, 11, 49, 77, 173, 211, 539, 1211, 1477, 1903, 2321, 8477, 10339, 13321, 16247, 36503, 93247, 113729, 255521, 401533, 1788647, 2810731, 19675117]

約数ペア:

[(1, 19675117), (7, 2810731), (11, 1788647), (49, 401533), (77, 255521), (173, 113729), (211, 93247), (539, 36503), (1211, 16247), (1477, 13321), (1903, 10339), (2321, 8477)]