20180631

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2262

約数の個数: 16

約数和(自身を含む): 27923456

約数和(自身を除く): 7742825

約数列:

[1, 3, 43, 73, 129, 219, 2143, 3139, 6429, 9417, 92149, 156439, 276447, 469317, 6726877, 20180631]

約数ペア:

[(1, 20180631), (3, 6726877), (43, 469317), (73, 276447), (129, 156439), (219, 92149), (2143, 9417), (3139, 6429)]