2181884

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{1511}}^1$

素因数の和:1553

約数の個数: 18

約数和(自身を含む): 4032504

約数和(自身を除く): 1850620

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 1511, 3022, 6044, 28709, 57418, 114836, 545471, 1090942, 2181884]

約数ペア:

[(1, 2181884), (2, 1090942), (4, 545471), (19, 114836), (38, 57418), (76, 28709), (361, 6044), (722, 3022), (1444, 1511)]