19816884

素因数分解:

$2^2\times 3^2\times {\mathrm{550469}}^1$

素因数の和:550479

約数の個数: 18

約数和(自身を含む): 50092770

約数和(自身を除く): 30275886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550469, 1100938, 1651407, 2201876, 3302814, 4954221, 6605628, 9908442, 19816884]

約数ペア:

[(1, 19816884), (2, 9908442), (3, 6605628), (4, 4954221), (6, 3302814), (9, 2201876), (12, 1651407), (18, 1100938), (36, 550469)]