19716993

素因数分解:

$3^3\times {\mathrm{227}}^1\times {\mathrm{3217}}^1$

素因数の和:3453

約数の個数: 16

約数和(自身を含む): 29348160

約数和(自身を除く): 9631167

約数列:

[1, 3, 9, 27, 227, 681, 2043, 3217, 6129, 9651, 28953, 86859, 730259, 2190777, 6572331, 19716993]

約数ペア:

[(1, 19716993), (3, 6572331), (9, 2190777), (27, 730259), (227, 86859), (681, 28953), (2043, 9651), (3217, 6129)]