19349781

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5189}}^1$

素因数の和:5316

約数の個数: 16

約数和(自身を含む): 28399680

約数和(自身を除く): 9049899

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5189, 15567, 57079, 171237, 586357, 1759071, 6449927, 19349781]

約数ペア:

[(1, 19349781), (3, 6449927), (11, 1759071), (33, 586357), (113, 171237), (339, 57079), (1243, 15567), (3729, 5189)]