19328860

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2591}}^1$

素因数の和:2973

約数の個数: 24

約数和(自身を含む): 40715136

約数和(自身を除く): 21386276

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2591, 3730, 5182, 7460, 10364, 12955, 25910, 51820, 966443, 1932886, 3865772, 4832215, 9664430, 19328860]

約数ペア:

[(1, 19328860), (2, 9664430), (4, 4832215), (5, 3865772), (10, 1932886), (20, 966443), (373, 51820), (746, 25910), (1492, 12955), (1865, 10364), (2591, 7460), (3730, 5182)]