71938180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{189311}}^1$

素因数の和:189339

約数の個数: 24

約数和(自身を含む): 159022080

約数和(自身を除く): 87083900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 189311, 378622, 757244, 946555, 1893110, 3596909, 3786220, 7193818, 14387636, 17984545, 35969090, 71938180]

約数ペア:

[(1, 71938180), (2, 35969090), (4, 17984545), (5, 14387636), (10, 7193818), (19, 3786220), (20, 3596909), (38, 1893110), (76, 946555), (95, 757244), (190, 378622), (380, 189311)]