18719728

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{5939}}^1$

素因数の和:6144

約数の個数: 20

約数和(自身を含む): 36459720

約数和(自身を除く): 17739992

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 5939, 11878, 23756, 47512, 95024, 1169983, 2339966, 4679932, 9359864, 18719728]

約数ペア:

[(1, 18719728), (2, 9359864), (4, 4679932), (8, 2339966), (16, 1169983), (197, 95024), (394, 47512), (788, 23756), (1576, 11878), (3152, 5939)]