19386320

素因数分解:

$2^4\times 5^1\times {\mathrm{242329}}^1$

素因数の和:242342

約数の個数: 20

約数和(自身を含む): 45073380

約数和(自身を除く): 25687060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 242329, 484658, 969316, 1211645, 1938632, 2423290, 3877264, 4846580, 9693160, 19386320]

約数ペア:

[(1, 19386320), (2, 9693160), (4, 4846580), (5, 3877264), (8, 2423290), (10, 1938632), (16, 1211645), (20, 969316), (40, 484658), (80, 242329)]