18679931

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 16

約数和(自身を含む): 20064000

約数和(自身を除く): 1384069

約数列:

[1, 37, 43, 59, 199, 1591, 2183, 2537, 7363, 8557, 11741, 93869, 316609, 434417, 504863, 18679931]

約数ペア:

[(1, 18679931), (37, 504863), (43, 434417), (59, 316609), (199, 93869), (1591, 11741), (2183, 8557), (2537, 7363)]