19932040

素因数分解:

$2^3\times 5^1\times {\mathrm{498301}}^1$

素因数の和:498312

約数の個数: 16

約数和(自身を含む): 44847180

約数和(自身を除く): 24915140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 498301, 996602, 1993204, 2491505, 3986408, 4983010, 9966020, 19932040]

約数ペア:

[(1, 19932040), (2, 9966020), (4, 4983010), (5, 3986408), (8, 2491505), (10, 1993204), (20, 996602), (40, 498301)]