19415320

素因数分解:

$2^3\times 5^1\times {\mathrm{485383}}^1$

素因数の和:485394

約数の個数: 16

約数和(自身を含む): 43684560

約数和(自身を除く): 24269240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 485383, 970766, 1941532, 2426915, 3883064, 4853830, 9707660, 19415320]

約数ペア:

[(1, 19415320), (2, 9707660), (4, 4853830), (5, 3883064), (8, 2426915), (10, 1941532), (20, 970766), (40, 485383)]