19832785

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 28864512

約数和(自身を除く): 9031727

約数列:

[1, 5, 7, 23, 35, 71, 115, 161, 347, 355, 497, 805, 1633, 1735, 2429, 2485, 7981, 8165, 11431, 12145, 24637, 39905, 55867, 57155, 123185, 172459, 279335, 566651, 862295, 2833255, 3966557, 19832785]

約数ペア:

[(1, 19832785), (5, 3966557), (7, 2833255), (23, 862295), (35, 566651), (71, 279335), (115, 172459), (161, 123185), (347, 57155), (355, 55867), (497, 39905), (805, 24637), (1633, 12145), (1735, 11431), (2429, 8165), (2485, 7981)]