17980466

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18089}}^1$

素因数の和:18169

約数の個数: 16

約数和(自身を含む): 31259520

約数和(自身を除く): 13279054

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 18089, 36178, 126623, 253246, 1284319, 2568638, 8990233, 17980466]

約数ペア:

[(1, 17980466), (2, 8990233), (7, 2568638), (14, 1284319), (71, 253246), (142, 126623), (497, 36178), (994, 18089)]