19016949

素因数分解:

$3^1\times 7^3\times {\mathrm{18481}}^1$

素因数の和:18505

約数の個数: 16

約数和(自身を含む): 29571200

約数和(自身を除く): 10554251

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 18481, 55443, 129367, 388101, 905569, 2716707, 6338983, 19016949]

約数ペア:

[(1, 19016949), (3, 6338983), (7, 2716707), (21, 905569), (49, 388101), (147, 129367), (343, 55443), (1029, 18481)]