19741257

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1759}}^1$

素因数の和:1837

約数の個数: 24

約数和(自身を含む): 30201600

約数和(自身を除く): 10460343

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1759, 3741, 5277, 11223, 15831, 51011, 75637, 153033, 226911, 459099, 680733, 2193473, 6580419, 19741257]

約数ペア:

[(1, 19741257), (3, 6580419), (9, 2193473), (29, 680733), (43, 459099), (87, 226911), (129, 153033), (261, 75637), (387, 51011), (1247, 15831), (1759, 11223), (3741, 5277)]