19851689

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4787}}^1$

素因数の和:4840

約数の個数: 16

約数和(自身を含む): 24131520

約数和(自身を除く): 4279831

約数列:

[1, 11, 13, 29, 143, 319, 377, 4147, 4787, 52657, 62231, 138823, 684541, 1527053, 1804699, 19851689]

約数ペア:

[(1, 19851689), (11, 1804699), (13, 1527053), (29, 684541), (143, 138823), (319, 62231), (377, 52657), (4147, 4787)]