19211739

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{6791}}^1$

素因数の和:6858

約数の個数: 16

約数和(自身を含む): 27385344

約数和(自身を除く): 8173605

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 6791, 20373, 156193, 278431, 468579, 835293, 6403913, 19211739]

約数ペア:

[(1, 19211739), (3, 6403913), (23, 835293), (41, 468579), (69, 278431), (123, 156193), (943, 20373), (2829, 6791)]