18760413

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6427}}^1$

素因数の和:6576

約数の個数: 16

約数和(自身を含む): 28797440

約数和(自身を除く): 10037027

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6427, 19281, 44989, 134967, 893353, 2680059, 6253471, 18760413]

約数ペア:

[(1, 18760413), (3, 6253471), (7, 2680059), (21, 893353), (139, 134967), (417, 44989), (973, 19281), (2919, 6427)]