18821123

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 20355840

約数和(自身を除く): 1534717

約数列:

[1, 31, 37, 61, 269, 1147, 1891, 2257, 8339, 9953, 16409, 69967, 308543, 508679, 607133, 18821123]

約数ペア:

[(1, 18821123), (31, 607133), (37, 508679), (61, 308543), (269, 69967), (1147, 16409), (1891, 9953), (2257, 8339)]