18148473

素因数分解:

$3^2\times 7^3\times {\mathrm{5879}}^1$

素因数の和:5906

約数の個数: 24

約数和(自身を含む): 30576000

約数和(自身を除く): 12427527

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 5879, 17637, 41153, 52911, 123459, 288071, 370377, 864213, 2016497, 2592639, 6049491, 18148473]

約数ペア:

[(1, 18148473), (3, 6049491), (7, 2592639), (9, 2016497), (21, 864213), (49, 370377), (63, 288071), (147, 123459), (343, 52911), (441, 41153), (1029, 17637), (3087, 5879)]