18488780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40193}}^1$

素因数の和:40225

約数の個数: 24

約数和(自身を含む): 40515552

約数和(自身を除く): 22026772

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40193, 80386, 160772, 200965, 401930, 803860, 924439, 1848878, 3697756, 4622195, 9244390, 18488780]

約数ペア:

[(1, 18488780), (2, 9244390), (4, 4622195), (5, 3697756), (10, 1848878), (20, 924439), (23, 803860), (46, 401930), (92, 200965), (115, 160772), (230, 80386), (460, 40193)]