186909916

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{129439}}^1$

素因数の和:129481

約数の個数: 18

約数和(自身を含む): 345216480

約数和(自身を除く): 158306564

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 129439, 258878, 517756, 2459341, 4918682, 9837364, 46727479, 93454958, 186909916]

約数ペア:

[(1, 186909916), (2, 93454958), (4, 46727479), (19, 9837364), (38, 4918682), (76, 2459341), (361, 517756), (722, 258878), (1444, 129439)]