19772823

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4387

約数の個数: 24

約数和(自身を含む): 31664640

約数和(自身を除く): 11891817

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4339, 4557, 13017, 30373, 91119, 134509, 212611, 403527, 637833, 941563, 2824689, 6590941, 19772823]

約数ペア:

[(1, 19772823), (3, 6590941), (7, 2824689), (21, 941563), (31, 637833), (49, 403527), (93, 212611), (147, 134509), (217, 91119), (651, 30373), (1519, 13017), (4339, 4557)]