19940030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181273}}^1$

素因数の和:181291

約数の個数: 16

約数和(自身を含む): 39155184

約数和(自身を除く): 19215154

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181273, 362546, 906365, 1812730, 1994003, 3988006, 9970015, 19940030]

約数ペア:

[(1, 19940030), (2, 9970015), (5, 3988006), (10, 1994003), (11, 1812730), (22, 906365), (55, 362546), (110, 181273)]