19789513

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 21908880

約数和(自身を除く): 2119367

約数列:

[1, 17, 29, 137, 293, 493, 2329, 3973, 4981, 8497, 40141, 67541, 144449, 682397, 1164089, 19789513]

約数ペア:

[(1, 19789513), (17, 1164089), (29, 682397), (137, 144449), (293, 67541), (493, 40141), (2329, 8497), (3973, 4981)]