18996523

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10987}}^1$

素因数の和:11026

約数の個数: 16

約数和(自身を含む): 24613120

約数和(自身を除く): 5616597

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10987, 76909, 142831, 208753, 999817, 1461271, 2713789, 18996523]

約数ペア:

[(1, 18996523), (7, 2713789), (13, 1461271), (19, 999817), (91, 208753), (133, 142831), (247, 76909), (1729, 10987)]