19764320

素因数分解:

$2^5\times 5^1\times {\mathrm{123527}}^1$

素因数の和:123542

約数の個数: 24

約数和(自身を含む): 46693584

約数和(自身を除く): 26929264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123527, 247054, 494108, 617635, 988216, 1235270, 1976432, 2470540, 3952864, 4941080, 9882160, 19764320]

約数ペア:

[(1, 19764320), (2, 9882160), (4, 4941080), (5, 3952864), (8, 2470540), (10, 1976432), (16, 1235270), (20, 988216), (32, 617635), (40, 494108), (80, 247054), (160, 123527)]