19889903

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1613}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 23241600

約数和(自身を除く): 3351697

約数列:

[1, 11, 19, 59, 209, 649, 1121, 1613, 12331, 17743, 30647, 95167, 337117, 1046837, 1808173, 19889903]

約数ペア:

[(1, 19889903), (11, 1808173), (19, 1046837), (59, 337117), (209, 95167), (649, 30647), (1121, 17743), (1613, 12331)]