19115139

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5227}}^1$

素因数の和:5306

約数の個数: 16

約数和(自身を含む): 27101952

約数和(自身を除く): 7986813

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5227, 15681, 120221, 277031, 360663, 831093, 6371713, 19115139]

約数ペア:

[(1, 19115139), (3, 6371713), (23, 831093), (53, 360663), (69, 277031), (159, 120221), (1219, 15681), (3657, 5227)]