19781333

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3284

約数の個数: 16

約数和(自身を含む): 23787456

約数和(自身を除く): 4006123

約数列:

[1, 11, 13, 43, 143, 473, 559, 3217, 6149, 35387, 41821, 138331, 460031, 1521641, 1798303, 19781333]

約数ペア:

[(1, 19781333), (11, 1798303), (13, 1521641), (43, 460031), (143, 138331), (473, 41821), (559, 35387), (3217, 6149)]