19012581

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6421}}^1$

素因数の和:6481

約数の個数: 24

約数和(自身を含む): 32058624

約数和(自身を除く): 13046043

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6421, 19263, 44947, 57789, 134841, 301787, 404523, 905361, 2112509, 2716083, 6337527, 19012581]

約数ペア:

[(1, 19012581), (3, 6337527), (7, 2716083), (9, 2112509), (21, 905361), (47, 404523), (63, 301787), (141, 134841), (329, 57789), (423, 44947), (987, 19263), (2961, 6421)]