19238121

素因数分解:

$3^3\times 7^1\times {\mathrm{101789}}^1$

素因数の和:101805

約数の個数: 16

約数和(自身を含む): 32572800

約数和(自身を除く): 13334679

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 101789, 305367, 712523, 916101, 2137569, 2748303, 6412707, 19238121]

約数ペア:

[(1, 19238121), (3, 6412707), (7, 2748303), (9, 2137569), (21, 916101), (27, 712523), (63, 305367), (189, 101789)]