19283211

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4549}}^1$

素因数の和:4715

約数の個数: 16

約数和(自身を含む): 28756000

約数和(自身を除く): 9472789

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4549, 13647, 40941, 122823, 714193, 2142579, 6427737, 19283211]

約数ペア:

[(1, 19283211), (3, 6427737), (9, 2142579), (27, 714193), (157, 122823), (471, 40941), (1413, 13647), (4239, 4549)]