18019676

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12479}}^1$

素因数の和:12521

約数の個数: 18

約数和(自身を含む): 33284160

約数和(自身を除く): 15264484

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12479, 24958, 49916, 237101, 474202, 948404, 4504919, 9009838, 18019676]

約数ペア:

[(1, 18019676), (2, 9009838), (4, 4504919), (19, 948404), (38, 474202), (76, 237101), (361, 49916), (722, 24958), (1444, 12479)]