19778341

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1871}}^1$

素因数の和:1944

約数の個数: 12

約数和(自身を含む): 22306752

約数和(自身を除く): 2528411

約数列:

[1, 11, 31, 341, 961, 1871, 10571, 20581, 58001, 638011, 1798031, 19778341]

約数ペア:

[(1, 19778341), (11, 1798031), (31, 638011), (341, 58001), (961, 20581), (1871, 10571)]