18156660465

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1579}}^1\times {\mathrm{4703}}^1$

素因数の和:6453

約数の個数: 32

約数和(自身を含む): 29253611520

約数和(自身を除く): 11096951055

約数列:

[1, 3, 5, 15, 163, 489, 815, 1579, 2445, 4703, 4737, 7895, 14109, 23515, 23685, 70545, 257377, 766589, 772131, 1286885, 2299767, 3832945, 3860655, 7426037, 11498835, 22278111, 37130185, 111390555, 1210444031, 3631332093, 6052220155, 18156660465]

約数ペア:

[(1, 18156660465), (3, 6052220155), (5, 3631332093), (15, 1210444031), (163, 111390555), (489, 37130185), (815, 22278111), (1579, 11498835), (2445, 7426037), (4703, 3860655), (4737, 3832945), (7895, 2299767), (14109, 1286885), (23515, 772131), (23685, 766589), (70545, 257377)]