19415641

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 23113728

約数和(自身を除く): 3698087

約数列:

[1, 7, 31, 131, 217, 683, 917, 4061, 4781, 21173, 28427, 89473, 148211, 626311, 2773663, 19415641]

約数ペア:

[(1, 19415641), (7, 2773663), (31, 626311), (131, 148211), (217, 89473), (683, 28427), (917, 21173), (4061, 4781)]