19147989

素因数分解:

$3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1637}}^1$

素因数の和:2204

約数の個数: 16

約数和(自身を含む): 29248128

約数和(自身を除く): 10100139

約数列:

[1, 3, 7, 21, 557, 1637, 1671, 3899, 4911, 11459, 11697, 34377, 911809, 2735427, 6382663, 19147989]

約数ペア:

[(1, 19147989), (3, 6382663), (7, 2735427), (21, 911809), (557, 34377), (1637, 11697), (1671, 11459), (3899, 4911)]