19530855

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 34944000

約数和(自身を除く): 15413145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 727, 995, 1791, 2181, 2985, 3635, 5373, 6543, 8955, 10905, 19629, 26865, 32715, 98145, 144673, 434019, 723365, 1302057, 2170095, 3906171, 6510285, 19530855]

約数ペア:

[(1, 19530855), (3, 6510285), (5, 3906171), (9, 2170095), (15, 1302057), (27, 723365), (45, 434019), (135, 144673), (199, 98145), (597, 32715), (727, 26865), (995, 19629), (1791, 10905), (2181, 8955), (2985, 6543), (3635, 5373)]