19182987

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13931}}^1$

素因数の和:13960

約数の個数: 20

約数和(自身を含む): 30343896

約数和(自身を除く): 11160909

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13931, 41793, 125379, 236827, 376137, 710481, 1128411, 2131443, 6394329, 19182987]

約数ペア:

[(1, 19182987), (3, 6394329), (9, 2131443), (17, 1128411), (27, 710481), (51, 376137), (81, 236827), (153, 125379), (459, 41793), (1377, 13931)]