18232557

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 29198592

約数和(自身を除く): 10966035

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4001, 4557, 12003, 28007, 84021, 124031, 196049, 372093, 588147, 868217, 2604651, 6077519, 18232557]

約数ペア:

[(1, 18232557), (3, 6077519), (7, 2604651), (21, 868217), (31, 588147), (49, 372093), (93, 196049), (147, 124031), (217, 84021), (651, 28007), (1519, 12003), (4001, 4557)]