19118049260

素因数分解:

$2^2\times 5^1\times {\mathrm{54877}}^1\times {\mathrm{17419}}^1$

素因数の和:72305

約数の個数: 24

約数和(自身を含む): 40150939920

約数和(自身を除く): 21032890660

約数列:

[1, 2, 4, 5, 10, 20, 17419, 34838, 54877, 69676, 87095, 109754, 174190, 219508, 274385, 348380, 548770, 1097540, 955902463, 1911804926, 3823609852, 4779512315, 9559024630, 19118049260]

約数ペア:

[(1, 19118049260), (2, 9559024630), (4, 4779512315), (5, 3823609852), (10, 1911804926), (20, 955902463), (17419, 1097540), (34838, 548770), (54877, 348380), (69676, 274385), (87095, 219508), (109754, 174190)]