19704897

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{3821}}^1$

素因数の和:4021

約数の個数: 16

約数和(自身を含む): 29352960

約数和(自身を除く): 9648063

約数列:

[1, 3, 9, 27, 191, 573, 1719, 3821, 5157, 11463, 34389, 103167, 729811, 2189433, 6568299, 19704897]

約数ペア:

[(1, 19704897), (3, 6568299), (9, 2189433), (27, 729811), (191, 103167), (573, 34389), (1719, 11463), (3821, 5157)]