19099591

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1350

約数の個数: 16

約数和(自身を含む): 23030784

約数和(自身を除く): 3931193

約数列:

[1, 7, 23, 97, 161, 679, 1223, 2231, 8561, 15617, 28129, 118631, 196903, 830417, 2728513, 19099591]

約数ペア:

[(1, 19099591), (7, 2728513), (23, 830417), (97, 196903), (161, 118631), (679, 28129), (1223, 15617), (2231, 8561)]