18909826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 32558400

約数和(自身を除く): 13648574

約数列:

[1, 2, 13, 19, 26, 38, 101, 202, 247, 379, 494, 758, 1313, 1919, 2626, 3838, 4927, 7201, 9854, 14402, 24947, 38279, 49894, 76558, 93613, 187226, 497627, 727301, 995254, 1454602, 9454913, 18909826]

約数ペア:

[(1, 18909826), (2, 9454913), (13, 1454602), (19, 995254), (26, 727301), (38, 497627), (101, 187226), (202, 93613), (247, 76558), (379, 49894), (494, 38279), (758, 24947), (1313, 14402), (1919, 9854), (2626, 7201), (3838, 4927)]