19397859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 28622160

約数和(自身を除く): 9224301

約数列:

[1, 3, 13, 39, 43, 129, 269, 559, 807, 1677, 1849, 3497, 5547, 10491, 11567, 24037, 34701, 72111, 150371, 451113, 497381, 1492143, 6465953, 19397859]

約数ペア:

[(1, 19397859), (3, 6465953), (13, 1492143), (39, 497381), (43, 451113), (129, 150371), (269, 72111), (559, 34701), (807, 24037), (1677, 11567), (1849, 10491), (3497, 5547)]