19528820

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1867}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 41110944

約数和(自身を除く): 21582124

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1867, 2092, 2615, 3734, 5230, 7468, 9335, 10460, 18670, 37340, 976441, 1952882, 3905764, 4882205, 9764410, 19528820]

約数ペア:

[(1, 19528820), (2, 9764410), (4, 4882205), (5, 3905764), (10, 1952882), (20, 976441), (523, 37340), (1046, 18670), (1867, 10460), (2092, 9335), (2615, 7468), (3734, 5230)]