19978849

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1512

約数の個数: 16

約数和(自身を含む): 23063040

約数和(自身を除く): 3084191

約数列:

[1, 11, 31, 41, 341, 451, 1271, 1429, 13981, 15719, 44299, 58589, 487289, 644479, 1816259, 19978849]

約数ペア:

[(1, 19978849), (11, 1816259), (31, 644479), (41, 487289), (341, 58589), (451, 44299), (1271, 15719), (1429, 13981)]