19401705

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1789}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 33788040

約数和(自身を除く): 14386335

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 1789, 2169, 3615, 5367, 8945, 10845, 16101, 26835, 80505, 431149, 1293447, 2155745, 3880341, 6467235, 19401705]

約数ペア:

[(1, 19401705), (3, 6467235), (5, 3880341), (9, 2155745), (15, 1293447), (45, 431149), (241, 80505), (723, 26835), (1205, 16101), (1789, 10845), (2169, 8945), (3615, 5367)]