19427943

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 26459136

約数和(自身を除く): 7031193

約数列:

[1, 3, 71, 197, 213, 463, 591, 1389, 13987, 32873, 41961, 91211, 98619, 273633, 6475981, 19427943]

約数ペア:

[(1, 19427943), (3, 6475981), (71, 273633), (197, 98619), (213, 91211), (463, 41961), (591, 32873), (1389, 13987)]