19728141

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{797}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 27170304

約数和(自身を除く): 7442163

約数列:

[1, 3, 37, 111, 223, 669, 797, 2391, 8251, 24753, 29489, 88467, 177731, 533193, 6576047, 19728141]

約数ペア:

[(1, 19728141), (3, 6576047), (37, 533193), (111, 177731), (223, 88467), (669, 29489), (797, 24753), (2391, 8251)]