19994306

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2237}}^1$

素因数の和:2389

約数の個数: 16

約数和(自身を含む): 31018680

約数和(自身を除く): 11024374

約数列:

[1, 2, 41, 82, 109, 218, 2237, 4469, 4474, 8938, 91717, 183434, 243833, 487666, 9997153, 19994306]

約数ペア:

[(1, 19994306), (2, 9997153), (41, 487666), (82, 243833), (109, 183434), (218, 91717), (2237, 8938), (4469, 4474)]