19122103

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2729}}^1$

素因数の和:2767

約数の個数: 24

約数和(自身を含む): 26142480

約数和(自身を除く): 7020377

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 2729, 7007, 19103, 30019, 35477, 133721, 210133, 248339, 390247, 1470931, 1738373, 2731729, 19122103]

約数ペア:

[(1, 19122103), (7, 2731729), (11, 1738373), (13, 1470931), (49, 390247), (77, 248339), (91, 210133), (143, 133721), (539, 35477), (637, 30019), (1001, 19103), (2729, 7007)]