18926439

素因数分解:

$3^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{1213}}^1$

素因数の和:1966

約数の個数: 16

約数和(自身を含む): 28902912

約数和(自身を除く): 9976473

約数列:

[1, 3, 7, 21, 743, 1213, 2229, 3639, 5201, 8491, 15603, 25473, 901259, 2703777, 6308813, 18926439]

約数ペア:

[(1, 18926439), (3, 6308813), (7, 2703777), (21, 901259), (743, 25473), (1213, 15603), (2229, 8491), (3639, 5201)]