19771228

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 35925120

約数和(自身を除く): 16153892

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 1619, 3053, 3238, 6106, 6476, 12212, 69617, 114949, 139234, 229898, 278468, 459796, 4942807, 9885614, 19771228]

約数ペア:

[(1, 19771228), (2, 9885614), (4, 4942807), (43, 459796), (71, 278468), (86, 229898), (142, 139234), (172, 114949), (284, 69617), (1619, 12212), (3053, 6476), (3238, 6106)]