19448019

素因数分解:

$3^5\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 29370432

約数和(自身を除く): 9922413

約数列:

[1, 3, 9, 27, 81, 163, 243, 489, 491, 1467, 1473, 4401, 4419, 13203, 13257, 39609, 39771, 80033, 119313, 240099, 720297, 2160891, 6482673, 19448019]

約数ペア:

[(1, 19448019), (3, 6482673), (9, 2160891), (27, 720297), (81, 240099), (163, 119313), (243, 80033), (489, 39771), (491, 39609), (1467, 13257), (1473, 13203), (4401, 4419)]