19503994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 12464006

約数列:

[1, 2, 19, 38, 73, 79, 89, 146, 158, 178, 1387, 1501, 1691, 2774, 3002, 3382, 5767, 6497, 7031, 11534, 12994, 14062, 109573, 123443, 133589, 219146, 246886, 267178, 513263, 1026526, 9751997, 19503994]

約数ペア:

[(1, 19503994), (2, 9751997), (19, 1026526), (38, 513263), (73, 267178), (79, 246886), (89, 219146), (146, 133589), (158, 123443), (178, 109573), (1387, 14062), (1501, 12994), (1691, 11534), (2774, 7031), (3002, 6497), (3382, 5767)]