18449516

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 32898096

約数和(自身を除く): 14448580

約数列:

[1, 2, 4, 131, 137, 257, 262, 274, 514, 524, 548, 1028, 17947, 33667, 35209, 35894, 67334, 70418, 71788, 134668, 140836, 4612379, 9224758, 18449516]

約数ペア:

[(1, 18449516), (2, 9224758), (4, 4612379), (131, 140836), (137, 134668), (257, 71788), (262, 70418), (274, 67334), (514, 35894), (524, 35209), (548, 33667), (1028, 17947)]