18867497

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 21307968

約数和(自身を除く): 2440471

約数列:

[1, 11, 43, 113, 353, 473, 1243, 3883, 4859, 15179, 39889, 53449, 166969, 438779, 1715227, 18867497]

約数ペア:

[(1, 18867497), (11, 1715227), (43, 438779), (113, 166969), (353, 53449), (473, 39889), (1243, 15179), (3883, 4859)]