19820511

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15619}}^1$

素因数の和:15675

約数の個数: 16

約数和(自身を含む): 29990400

約数和(自身を除く): 10169889

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15619, 46857, 140571, 421713, 734093, 2202279, 6606837, 19820511]

約数ペア:

[(1, 19820511), (3, 6606837), (9, 2202279), (27, 734093), (47, 421713), (141, 140571), (423, 46857), (1269, 15619)]