19883374

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 35168256

約数和(自身を除く): 15284882

約数列:

[1, 2, 7, 14, 53, 106, 127, 211, 254, 371, 422, 742, 889, 1477, 1778, 2954, 6731, 11183, 13462, 22366, 26797, 47117, 53594, 78281, 94234, 156562, 187579, 375158, 1420241, 2840482, 9941687, 19883374]

約数ペア:

[(1, 19883374), (2, 9941687), (7, 2840482), (14, 1420241), (53, 375158), (106, 187579), (127, 156562), (211, 94234), (254, 78281), (371, 53594), (422, 47117), (742, 26797), (889, 22366), (1477, 13462), (1778, 11183), (2954, 6731)]