18578408

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 36352800

約数和(自身を除く): 17774392

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 1019, 2038, 2279, 4076, 4558, 8152, 9116, 18232, 43817, 54007, 87634, 108014, 175268, 216028, 350536, 432056, 2322301, 4644602, 9289204, 18578408]

約数ペア:

[(1, 18578408), (2, 9289204), (4, 4644602), (8, 2322301), (43, 432056), (53, 350536), (86, 216028), (106, 175268), (172, 108014), (212, 87634), (344, 54007), (424, 43817), (1019, 18232), (2038, 9116), (2279, 8152), (4076, 4558)]