19880954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1181}}^1$

素因数の和:1645

約数の個数: 16

約数和(自身を含む): 31488480

約数和(自身を除く): 11607526

約数列:

[1, 2, 19, 38, 443, 886, 1181, 2362, 8417, 16834, 22439, 44878, 523183, 1046366, 9940477, 19880954]

約数ペア:

[(1, 19880954), (2, 9940477), (19, 1046366), (38, 523183), (443, 44878), (886, 22439), (1181, 16834), (2362, 8417)]