388180412

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{268823}}^1$

素因数の和:268865

約数の個数: 18

約数和(自身を含む): 716953608

約数和(自身を除く): 328773196

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 268823, 537646, 1075292, 5107637, 10215274, 20430548, 97045103, 194090206, 388180412]

約数ペア:

[(1, 388180412), (2, 194090206), (4, 97045103), (19, 20430548), (38, 10215274), (76, 5107637), (361, 1075292), (722, 537646), (1444, 268823)]