18651938

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2971}}^1$

素因数の和:3089

約数の個数: 16

約数和(自身を含む): 29030496

約数和(自身を除く): 10378558

約数列:

[1, 2, 43, 73, 86, 146, 2971, 3139, 5942, 6278, 127753, 216883, 255506, 433766, 9325969, 18651938]

約数ペア:

[(1, 18651938), (2, 9325969), (43, 433766), (73, 255506), (86, 216883), (146, 127753), (2971, 6278), (3139, 5942)]