20180990179

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{30713}}^1$

素因数の和:30859

約数の個数: 32

約数和(自身を含む): 24649827840

約数和(自身を除く): 4468837661

約数列:

[1, 7, 37, 43, 59, 259, 301, 413, 1591, 2183, 2537, 11137, 15281, 17759, 30713, 93869, 214991, 657083, 1136381, 1320659, 1812067, 7954667, 9244613, 12684469, 48864383, 67046479, 77918881, 342050681, 469325353, 545432167, 2882998597, 20180990179]

約数ペア:

[(1, 20180990179), (7, 2882998597), (37, 545432167), (43, 469325353), (59, 342050681), (259, 77918881), (301, 67046479), (413, 48864383), (1591, 12684469), (2183, 9244613), (2537, 7954667), (11137, 1812067), (15281, 1320659), (17759, 1136381), (30713, 657083), (93869, 214991)]