18814672

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17551}}^1$

素因数の和:17626

約数の個数: 20

約数和(自身を含む): 36999616

約数和(自身を除く): 18184944

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17551, 35102, 70204, 140408, 280816, 1175917, 2351834, 4703668, 9407336, 18814672]

約数ペア:

[(1, 18814672), (2, 9407336), (4, 4703668), (8, 2351834), (16, 1175917), (67, 280816), (134, 140408), (268, 70204), (536, 35102), (1072, 17551)]