19844330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2134

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 19579990

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 2027, 4054, 4895, 9790, 10135, 20270, 22297, 44594, 111485, 180403, 222970, 360806, 902015, 1804030, 1984433, 3968866, 9922165, 19844330]

約数ペア:

[(1, 19844330), (2, 9922165), (5, 3968866), (10, 1984433), (11, 1804030), (22, 902015), (55, 360806), (89, 222970), (110, 180403), (178, 111485), (445, 44594), (890, 22297), (979, 20270), (1958, 10135), (2027, 9790), (4054, 4895)]