19628802

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15359}}^1$

素因数の和:15438

約数の個数: 24

約数和(自身を含む): 43130880

約数和(自身を除く): 23502078

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15359, 30718, 46077, 92154, 138231, 276462, 1090489, 2180978, 3271467, 6542934, 9814401, 19628802]

約数ペア:

[(1, 19628802), (2, 9814401), (3, 6542934), (6, 3271467), (9, 2180978), (18, 1090489), (71, 276462), (142, 138231), (213, 92154), (426, 46077), (639, 30718), (1278, 15359)]