19938061

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2081}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 23784768

約数和(自身を除く): 3846707

約数列:

[1, 11, 13, 67, 143, 737, 871, 2081, 9581, 22891, 27053, 139427, 297583, 1533697, 1812551, 19938061]

約数ペア:

[(1, 19938061), (11, 1812551), (13, 1533697), (67, 297583), (143, 139427), (737, 27053), (871, 22891), (2081, 9581)]