39439994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20143}}^1$

素因数の和:20245

約数の個数: 16

約数和(自身を含む): 65266560

約数和(自身を除く): 25826566

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 20143, 40286, 221573, 443146, 1792727, 3585454, 19719997, 39439994]

約数ペア:

[(1, 39439994), (2, 19719997), (11, 3585454), (22, 1792727), (89, 443146), (178, 221573), (979, 40286), (1958, 20143)]