16488580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43391}}^1$

素因数の和:43419

約数の個数: 24

約数和(自身を含む): 36449280

約数和(自身を除く): 19960700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 43391, 86782, 173564, 216955, 433910, 824429, 867820, 1648858, 3297716, 4122145, 8244290, 16488580]

約数ペア:

[(1, 16488580), (2, 8244290), (4, 4122145), (5, 3297716), (10, 1648858), (19, 867820), (20, 824429), (38, 433910), (76, 216955), (95, 173564), (190, 86782), (380, 43391)]