19395141

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 28366848

約数和(自身を除く): 8971707

約数列:

[1, 3, 23, 37, 69, 71, 107, 111, 213, 321, 851, 1633, 2461, 2553, 2627, 3959, 4899, 7383, 7597, 7881, 11877, 22791, 60421, 91057, 174731, 181263, 273171, 281089, 524193, 843267, 6465047, 19395141]

約数ペア:

[(1, 19395141), (3, 6465047), (23, 843267), (37, 524193), (69, 281089), (71, 273171), (107, 181263), (111, 174731), (213, 91057), (321, 60421), (851, 22791), (1633, 11877), (2461, 7881), (2553, 7597), (2627, 7383), (3959, 4899)]