18656449

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 21888000

約数和(自身を除く): 3231551

約数列:

[1, 7, 59, 199, 227, 413, 1393, 1589, 11741, 13393, 45173, 82187, 93751, 316211, 2665207, 18656449]

約数ペア:

[(1, 18656449), (7, 2665207), (59, 316211), (199, 93751), (227, 82187), (413, 45173), (1393, 13393), (1589, 11741)]