20191284

素因数分解:

$2^2\times 3^2\times {\mathrm{560869}}^1$

素因数の和:560879

約数の個数: 18

約数和(自身を含む): 51039170

約数和(自身を除く): 30847886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560869, 1121738, 1682607, 2243476, 3365214, 5047821, 6730428, 10095642, 20191284]

約数ペア:

[(1, 20191284), (2, 10095642), (3, 6730428), (4, 5047821), (6, 3365214), (9, 2243476), (12, 1682607), (18, 1121738), (36, 560869)]