19017021

素因数分解:

$3^1\times {\mathrm{23}}^3\times {\mathrm{521}}^1$

素因数の和:593

約数の個数: 16

約数和(自身を含む): 26559360

約数和(自身を除く): 7542339

約数列:

[1, 3, 23, 69, 521, 529, 1563, 1587, 11983, 12167, 35949, 36501, 275609, 826827, 6339007, 19017021]

約数ペア:

[(1, 19017021), (3, 6339007), (23, 826827), (69, 275609), (521, 36501), (529, 35949), (1563, 12167), (1587, 11983)]