19389745

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 23801472

約数和(自身を除く): 4411727

約数列:

[1, 5, 71, 193, 283, 355, 965, 1415, 13703, 20093, 54619, 68515, 100465, 273095, 3877949, 19389745]

約数ペア:

[(1, 19389745), (5, 3877949), (71, 273095), (193, 100465), (283, 68515), (355, 54619), (965, 20093), (1415, 13703)]