19826261

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{977}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 24536064

約数和(自身を除く): 4709803

約数列:

[1, 7, 13, 91, 223, 977, 1561, 2899, 6839, 12701, 20293, 88907, 217871, 1525097, 2832323, 19826261]

約数ペア:

[(1, 19826261), (7, 2832323), (13, 1525097), (91, 217871), (223, 88907), (977, 20293), (1561, 12701), (2899, 6839)]