18418568

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4909}}^1$

素因数の和:4989

約数の個数: 32

約数和(自身を含む): 40065600

約数和(自身を除く): 21647032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 4909, 9818, 19636, 34363, 39272, 68726, 137452, 274904, 328903, 657806, 1315612, 2302321, 2631224, 4604642, 9209284, 18418568]

約数ペア:

[(1, 18418568), (2, 9209284), (4, 4604642), (7, 2631224), (8, 2302321), (14, 1315612), (28, 657806), (56, 328903), (67, 274904), (134, 137452), (268, 68726), (469, 39272), (536, 34363), (938, 19636), (1876, 9818), (3752, 4909)]