18778869591

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1\times {\mathrm{39839}}^1$

素因数の和:42126

約数の個数: 16

約数和(自身を含む): 25403258880

約数和(自身を除く): 6624389289

約数列:

[1, 3, 71, 213, 2213, 6639, 39839, 119517, 157123, 471369, 2828569, 8485707, 88163707, 264491121, 6259623197, 18778869591]

約数ペア:

[(1, 18778869591), (3, 6259623197), (71, 264491121), (213, 88163707), (2213, 8485707), (6639, 2828569), (39839, 471369), (119517, 157123)]