19728297

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{46639}}^1$

素因数の和:46692

約数の個数: 12

約数和(自身を含む): 29103360

約数和(自身を除く): 9375063

約数列:

[1, 3, 9, 47, 141, 423, 46639, 139917, 419751, 2192033, 6576099, 19728297]

約数ペア:

[(1, 19728297), (3, 6576099), (9, 2192033), (47, 419751), (141, 139917), (423, 46639)]