30160828

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{20887}}^1$

素因数の和:20929

約数の個数: 18

約数和(自身を含む): 55708296

約数和(自身を除く): 25547468

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 20887, 41774, 83548, 396853, 793706, 1587412, 7540207, 15080414, 30160828]

約数ペア:

[(1, 30160828), (2, 15080414), (4, 7540207), (19, 1587412), (38, 793706), (76, 396853), (361, 83548), (722, 41774), (1444, 20887)]