18159719

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 19657728

約数和(自身を除く): 1498009

約数列:

[1, 23, 47, 107, 157, 1081, 2461, 3611, 5029, 7379, 16799, 115667, 169717, 386377, 789553, 18159719]

約数ペア:

[(1, 18159719), (23, 789553), (47, 386377), (107, 169717), (157, 115667), (1081, 16799), (2461, 7379), (3611, 5029)]