18884525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 26156064

約数和(自身を除く): 7271539

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 1597, 2365, 7985, 11825, 17567, 39925, 68671, 87835, 343355, 439175, 755381, 1716775, 3776905, 18884525]

約数ペア:

[(1, 18884525), (5, 3776905), (11, 1716775), (25, 755381), (43, 439175), (55, 343355), (215, 87835), (275, 68671), (473, 39925), (1075, 17567), (1597, 11825), (2365, 7985)]