19419321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{757}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 27506304

約数和(自身を除く): 8086983

約数列:

[1, 3, 17, 51, 503, 757, 1509, 2271, 8551, 12869, 25653, 38607, 380771, 1142313, 6473107, 19419321]

約数ペア:

[(1, 19419321), (3, 6473107), (17, 1142313), (51, 380771), (503, 38607), (757, 25653), (1509, 12869), (2271, 8551)]