19142860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87013}}^1$

素因数の和:87033

約数の個数: 24

約数和(自身を含む): 43855056

約数和(自身を除く): 24712196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87013, 174026, 348052, 435065, 870130, 957143, 1740260, 1914286, 3828572, 4785715, 9571430, 19142860]

約数ペア:

[(1, 19142860), (2, 9571430), (4, 4785715), (5, 3828572), (10, 1914286), (11, 1740260), (20, 957143), (22, 870130), (44, 435065), (55, 348052), (110, 174026), (220, 87013)]