20187218990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6249913}}^1$

素因数の和:6249956

約数の個数: 32

約数和(自身を含む): 40499442720

約数和(自身を除く): 20312223730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6249913, 12499826, 31249565, 62499130, 106248521, 118748347, 212497042, 237496694, 531242605, 593741735, 1062485210, 1187483470, 2018721899, 4037443798, 10093609495, 20187218990]

約数ペア:

[(1, 20187218990), (2, 10093609495), (5, 4037443798), (10, 2018721899), (17, 1187483470), (19, 1062485210), (34, 593741735), (38, 531242605), (85, 237496694), (95, 212497042), (170, 118748347), (190, 106248521), (323, 62499130), (646, 31249565), (1615, 12499826), (3230, 6249913)]