19545267

素因数分解:

$3^1\times 7^2\times {\mathrm{132961}}^1$

素因数の和:132978

約数の個数: 12

約数和(自身を含む): 30315336

約数和(自身を除く): 10770069

約数列:

[1, 3, 7, 21, 49, 147, 132961, 398883, 930727, 2792181, 6515089, 19545267]

約数ペア:

[(1, 19545267), (3, 6515089), (7, 2792181), (21, 930727), (49, 398883), (147, 132961)]