19662730

素因数分解:

$2^1\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1621}}^1$

素因数の和:2841

約数の個数: 16

約数和(自身を含む): 35443944

約数和(自身を除く): 15781214

約数列:

[1, 2, 5, 10, 1213, 1621, 2426, 3242, 6065, 8105, 12130, 16210, 1966273, 3932546, 9831365, 19662730]

約数ペア:

[(1, 19662730), (2, 9831365), (5, 3932546), (10, 1966273), (1213, 16210), (1621, 12130), (2426, 8105), (3242, 6065)]