209007790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1100041}}^1$

素因数の和:1100067

約数の個数: 16

約数和(自身を含む): 396015120

約数和(自身を除く): 187007330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1100041, 2200082, 5500205, 11000410, 20900779, 41801558, 104503895, 209007790]

約数ペア:

[(1, 209007790), (2, 104503895), (5, 41801558), (10, 20900779), (19, 11000410), (38, 5500205), (95, 2200082), (190, 1100041)]