19430780

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3433}}^1$

素因数の和:3725

約数の個数: 24

約数和(自身を含む): 40960752

約数和(自身を除く): 21529972

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3433, 5660, 6866, 13732, 17165, 34330, 68660, 971539, 1943078, 3886156, 4857695, 9715390, 19430780]

約数ペア:

[(1, 19430780), (2, 9715390), (4, 4857695), (5, 3886156), (10, 1943078), (20, 971539), (283, 68660), (566, 34330), (1132, 17165), (1415, 13732), (2830, 6866), (3433, 5660)]