19209003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13537}}^1$

素因数の和:13594

約数の個数: 16

約数和(自身を含む): 28592256

約数和(自身を除く): 9383253

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13537, 40611, 148907, 446721, 582091, 1746273, 6403001, 19209003]

約数ペア:

[(1, 19209003), (3, 6403001), (11, 1746273), (33, 582091), (43, 446721), (129, 148907), (473, 40611), (1419, 13537)]