18411920

素因数分解:

$2^4\times 5^1\times {\mathrm{230149}}^1$

素因数の和:230162

約数の個数: 20

約数和(自身を含む): 42807900

約数和(自身を除く): 24395980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230149, 460298, 920596, 1150745, 1841192, 2301490, 3682384, 4602980, 9205960, 18411920]

約数ペア:

[(1, 18411920), (2, 9205960), (4, 4602980), (5, 3682384), (8, 2301490), (10, 1841192), (16, 1150745), (20, 920596), (40, 460298), (80, 230149)]