19004739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21187}}^1$

素因数の和:21226

約数の個数: 16

約数和(自身を含む): 28476672

約数和(自身を除く): 9471933

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 21187, 63561, 275431, 487301, 826293, 1461903, 6334913, 19004739]

約数ペア:

[(1, 19004739), (3, 6334913), (13, 1461903), (23, 826293), (39, 487301), (69, 275431), (299, 63561), (897, 21187)]