18327701

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 21504000

約数和(自身を除く): 3176299

約数列:

[1, 7, 59, 199, 223, 413, 1393, 1561, 11741, 13157, 44377, 82187, 92099, 310639, 2618243, 18327701]

約数ペア:

[(1, 18327701), (7, 2618243), (59, 310639), (199, 92099), (223, 82187), (413, 44377), (1393, 13157), (1561, 11741)]